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Where is Area Code 443?

The 443 Area Code is located in the state of Maryland. Area Code 443 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 7,737,000 unique phone numbers and 2,621,848 individuals near the cities of Baltimore, Brooklyn, and Columbia.

Cities Located in the 443 Area Code

The most populous cities in area code 443 are: Baltimore, Brooklyn, Columbia, Glen Burnie, and Millersville.

Other cities in the 443 area code include: Ellicott City, Dundalk, Sparrows Point, Towson, Harmans, Severn, Bel Air, Catonsville, Odenton, Annapolis, Essex, Severna Park, Randallstown, Pikesville, Salisbury, Parkville, Crofton, Reisterstown, Middle River, Edgewood, Laurel, Cockeysville, Hunt Valley, Pasadena, Westminster, Elkridge, Easton, Elkton, Aberdeen, Havre De Grace, Cambridge, Fallston, Ocean City, Taneytown, Stevensville, Hampstead, West River, Chestertown, Berlin, Centreville, Perryville, Denton, Pocomoke City, Sykesville, North East, Prince Frederick, Princess Anne, Jarrettsville, Delmar, Federalsburg, Crisfield, North Beach, Snow Hill, Solomons, New Windsor, Trappe, Willards, Whiteford, Union Bridge, Bishopville, Chesapeake City, Port Deposit, Queenstown, Darlington, Nanticoke, Mardela Springs, Rhodesdale, Churchville, Fork, Glenwood, Gwynn Oak, Halethorpe, Jessup, Parkton, and Sparks Glencoe.

About Baltimore, Brooklyn, and Columbia, Maryland

Baltimore is the largest city in the U.S. state of Maryland, and the 29th-most populous city in the country. It was established by the Constitution of Maryland and is not part of any county; thus, it is the largest independent city in the United States, with a population of 621,849 as of 2015. As of 2010, the population of the Baltimore Metropolitan Area was 2.7 million, making it the 21st largest in the country. Founded in 1729, Baltimore is the second largest seaport in the Mid-Atlantic. Baltimore's Inner Harbor was once the second leading port of entry for immigrants to the United States and a major manufacturing center. After a decline in major manufacturing, industrialization and rail transportation, Baltimore shifted to a service-oriented economy, with the Johns Hopkins Hospital (founded 1889), and Johns Hopkins University (founded 1876), now the city's top two employers. With hundreds of identified districts, Baltimore has been dubbed "a city of neighborhoods". Famous residents have included the writers Edgar Allan Poe, Edith Hamilton, Frederick Douglass, and H.L. Mencken ; jazz musician James "Eubie" Blake ; singer Billie Holiday ; actor and filmmaker John Waters ; and baseball player Babe Ruth. In the War of 1812, Francis Scott Key wrote The Star-Spangled Banner, later the American national anthem, in Baltimore. Baltimore has more public monuments per capita than any other city in the country and is home to some of the earliest National Register historic districts in the nation, including Fell's Point (1969), Federal Hill (1970) and Mount Vernon Place (1971). More than 65,000 properties, or roughly one in three buildings in the city, are listed on the National Register, more than any other city in the nation.

Brooklyn is one of the southernmost neighborhoods in Baltimore, Maryland. It is located near Anne Arundel County along Governor Ritchie Highway which is also Maryland Route 2. Its main roads are South Hanover Street, (formerly First Street - before 1919), Potee Street, and East Patapsco Avenue, Sixth Street, Tenth Street, and West Bay Avenue which borders the neighboring Curtis Bay community to the east, running through Bay Brook Park, which separates the two. South Hanover Street also serves as the dividing line between east-west streets in Brooklyn, as Charles Street (which acts as the east-west divider from downtown north to the city line) does not exist here. Often mistaken as Brooklyn Park, Brooklyn shares the 21225 ZIP Code with the greater Brooklyn Park area which is across the Baltimore City Line (of the Annexation of 1919) in (northern Anne Arundel County) and the other neighboring community of Cherry Hill to the west and northwest across the now small western branch (formerly the old "Ferry Branch") of the Patapsco River flowing from Ellicott City and Elkridge and along the shoreline-hugging southern extension "South Hanover Street" of the downtown's old colonial-era "Hanover Street" (of the "Original Survey of 1729" of Baltimore Town) across the 1914-1917 Hanover Street Bridge, later renamed the Vietnam Veterans Memorial Bridge in the 1990s.To the northeast, along the shoreline of the Patapsco River is the former residential communities of Fairfield and Wagner's Point (also known as East Brooklyn), which were "islands of houses" surrounded by the belt of river-front heavy industry. During the construction of the 1955-1957 Baltimore Harbor Tunnel of Interstate 895 (Maryland), another smaller residential island neighborhood of Masonville was purchased and razed by the highway construction. Recently, its old name has been resurrected as the name of the nearby cove on the south shore of the river which has endured as a swampy forested "island of nature" and slated to be preserved amidst the nearby development of further port facilities for the Helen Delich Bentley Port of Baltimore. In the past decade these two communities of Fairfield and Wagner's Point have been also bought out and razed. Brooklyn is within the Baltimore City limits and Brooklyn Park and Brooklyn Heights along with smaller neighboring neighborhoods of Arundel Village, Arundel Gardens, Pumphrey, and Roland Terrace are in northern Anne Arundel County.Brooklyn is the location of the John R. Hargrove, Sr. District Court Building, located right off of Patapsco Avenue. There is also a host of industry in the region, mainly shipping ports, rail yards, and oil tanks. Many car imports come through this area, as well as being the south end of the Harbor Tunnel that runs off I-895.

Columbia is a principal city within the Baltimore metropolitan area, located in Howard County, Maryland. It is a planned community consisting of 10 self-contained villages. It began with the idea that a city could enhance its residents' quality of life. Creator and developer James W. Rouse saw the new community in terms of human values, rather than merely economics and engineering. Opened in 1967, Columbia was intended to not only eliminate the inconveniences of then-current subdivision design, but also eliminate racial, religious, and class segregation. Columbia has consistently ranked in the top ten of CNN Money's Best Places to Live in America. Columbia proper consists only of that territory governed by the Columbia Association, but larger areas are included under its name by the U.S. Postal Service and the Census Bureau. These include several other communities which predate Columbia, including Simpsonville, Atholton, and in the case of the census, part of Clarksville. The census-designated place had a population of 103,683 according to 2013 Census estimates, making it the second most populous community in Maryland after Baltimore.

What Time Zone is Area Code 443?

The 443 area code lies within the Eastern Daylight Time Zone (or EDT). The current time in Eastern Daylight Time is 1:56 PM on Apr 20, 2021.

Neighborhood Demographics

Statistics based on US Census data for Baltimore
36 y/o
Median Age
The median age for Baltimore was sourced from the US Census
$63K
Median Income
The median income for Baltimore was sourced from the US Census
$222K
Median Home Value
The median home value for Baltimore was sourced from the US Census
2.62M
Total Population
The total population for Baltimore was sourced from the US Census

Nearby Area Codes in Maryland

7,898,002 phone numbers
2,682,796 people
Baltimore, Brooklyn, Columbia

Phone Number Prefixes in the 443 Area Code

Unknown
--
Unknown
--
XO Communications
Baltimore, MD
AT&T Mobility
Westminster, MD
Verizon Wireless
Baltimore, MD
Level 3
West River, MD
AT&T Mobility
Pikesville, MD
Verizon Wireless
Cambridge, MD
Verizon Wireless
Perryville, MD
T-Mobile
Elkton, MD
Sprint
Essex, MD
Cavalier
Havre De Grace, MD
Sprint
Aberdeen, MD
Unknown
--
Unknown
Sparks Glencoe, MD
Verizon
Baltimore, MD
AT&T Mobility
Annapolis, MD
CoreTel
Chestertown, MD
Cavalier
Dundalk, MD
CoreTel
Annapolis, MD
Level 3
Reisterstown, MD
Level 3
Baltimore, MD
AT&T Mobility
Baltimore, MD
AT&T Mobility
Annapolis, MD
Onvoy
Reisterstown, MD
Verizon Wireless
Annapolis, MD
Sprint
Baltimore, MD
Sprint
Cambridge, MD
Sprint
Baltimore, MD
Wide Voice
Port Deposit, MD
Unknown
Middle River, MD
YMax Communications
Severna Park, MD
Unknown
Odenton, MD
Level 3
Baltimore, MD
Onvoy
Willards, MD
Unknown
Mardela Springs, MD
Onvoy
Snow Hill, MD
Verizon Wireless
Salisbury, MD
CoreTel
Whiteford, MD
CoreTel
North Beach, MD
Onvoy
Parkton, MD
Verizon Wireless
Easton, MD
AT&T Mobility
Baltimore, MD
Onvoy
Westminster, MD
Unknown
Sparrows Point, MD
Verizon Wireless
Fallston, MD
Verizon Wireless
Westminster, MD
Cavalier
Elkton, MD
CoreTel
Elkton, MD
Onvoy
Union Bridge, MD
T-Mobile
Catonsville, MD
Level 3
Stevensville, MD
Sprint
Baltimore, MD
T-Mobile
Chestertown, MD
Verizon Wireless
Perryville, MD
AT&T Mobility
Baltimore, MD
T-Mobile
Annapolis, MD
AT&T Mobility
Baltimore, MD
Bandwidth.com
North East, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Easton, MD
Verizon
Columbia, MD
Verizon
Salisbury, MD
Sprint
Severna Park, MD
Verizon Wireless
Centreville, MD
Verizon
Baltimore, MD
Unknown
Pikesville, MD
Cavalier
Fork, MD
Bandwidth.com
Glenwood, MD
Bandwidth.com
Darlington, MD
CoreTel
Baltimore, MD
Verizon Wireless
Towson, MD
PAETEC
Baltimore, MD
Sprint
Baltimore, MD
Comcast
Baltimore, MD
MetroPCS
Reisterstown, MD
Bandwidth.com
Severn, MD
Level 3
Baltimore, MD
XO Communications
Baltimore, MD
Sprint
Sykesville, MD
Sprint
Baltimore, MD
XO Communications
Baltimore, MD
AT&T Mobility
Sykesville, MD
XO Communications
Baltimore, MD
Verizon Wireless
Chestertown, MD
PAETEC
Baltimore, MD
CoreTel
Jessup, MD
Verizon
Columbia, MD
Verizon Wireless
Baltimore, MD
Verizon
Baltimore, MD
XO Communications
Baltimore, MD
Sprint
Westminster, MD
Bandwidth.com
Parkville, MD
Level 3
Hampstead, MD
Comcast
Laurel, MD
Global Crossing
Westminster, MD
Global Crossing
West River, MD
Level 3
Prince Frederick, MD
XO Communications
Baltimore, MD
MetroPCS
Halethorpe, MD
Verizon Wireless
Easton, MD
Verizon Wireless
Fallston, MD
Level 3
Sykesville, MD
AT&T Mobility
Baltimore, MD
Global Crossing
Crofton, MD
T-Mobile
Aberdeen, MD
Global Crossing
Baltimore, MD
Global Crossing
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Bel Air, MD
XO Communications
Baltimore, MD
Sprint
Elkton, MD
AT&T Mobility
Baltimore, MD
Unknown
--
Level 3
Baltimore, MD
Global Crossing
Fork, MD
Sprint
Baltimore, MD
AT&T Mobility
Baltimore, MD
Global Crossing
Baltimore, MD
Global Crossing
Baltimore, MD
Unknown
Cockeysville, MD
Cavalier
Columbia, MD
Global Crossing
Baltimore, MD
PAETEC
Annapolis, MD
Cavalier
Towson, MD
Onvoy
Rhodesdale, MD
Sprint
Baltimore, MD
Cavalier
Ellicott City, MD
AT&T Mobility
Baltimore, MD
XO Communications
Aberdeen, MD
Local Access
Sykesville, MD
Onvoy
Jessup, MD
Cavalier
Baltimore, MD
Onvoy
Taneytown, MD
Unknown
Crofton, MD
AT&T Mobility
Annapolis, MD
Verizon
Towson, MD
MetroPCS
Brooklyn, MD
Sprint
Annapolis, MD
MetroPCS
Sparrows Point, MD
Bandwidth.com
Sparks Glencoe, MD
Onvoy
Annapolis, MD
Verizon Wireless
Westminster, MD
Level 3
Baltimore, MD
Onvoy
Solomons, MD
Bandwidth.com
Millersville, MD
CoreTel
Severna Park, MD
Level 3
Aberdeen, MD
AT&T Mobility
Severna Park, MD
Bandwidth.com
Whiteford, MD
Comcast
Baltimore, MD
CoreTel
Westminster, MD
Verizon Wireless
Elkton, MD
US LEC
Columbia, MD
Verizon
Baltimore, MD
Verizon
Hunt Valley, MD
MetroPCS
Baltimore, MD
MetroPCS
Baltimore, MD
AT&T Mobility
Bel Air, MD
CoreTel
Pikesville, MD
YMax Communications
Salisbury, MD
Verizon Wireless
Delmar, MD
T-Mobile
Aberdeen, MD
CoreTel
Sykesville, MD
T-Mobile
Easton, MD
MetroPCS
Severn, MD
YMax Communications
Baltimore, MD
T-Mobile
Salisbury, MD
Sprint
Salisbury, MD
Verizon
Columbia, MD
CoreTel
Westminster, MD
CoreTel
Bel Air, MD
AT&T Mobility
Annapolis, MD
Level 3
Bel Air, MD
US LEC
Edgewood, MD
Sprint
Ocean City, MD
T-Mobile
Aberdeen, MD
Sprint
Hampstead, MD
CoreTel
Baltimore, MD
Verizon Wireless
Towson, MD
Sprint
Baltimore, MD
AT&T Mobility
Pikesville, MD
Verizon
Baltimore, MD
AT&T Mobility
Reisterstown, MD
CoreTel
Cambridge, MD
Bandwidth.com
Westminster, MD
Cavalier
Parkville, MD
CoreTel
Easton, MD
Verizon Wireless
Baltimore, MD
CoreTel
Pocomoke City, MD
Verizon Wireless
Baltimore, MD
CoreTel
Salisbury, MD
Bandwidth.com
Churchville, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
Level 3
Baltimore, MD
Verizon
Pikesville, MD
Verizon
Aberdeen, MD
Global Crossing
Odenton, MD
Verizon Wireless
Salisbury, MD
Sprint
Sykesville, MD
Global Crossing
Baltimore, MD
MetroPCS
Baltimore, MD
Verizon Wireless
Baltimore, MD
Bandwidth.com
Edgewood, MD
Level 3
Aberdeen, MD
Sprint
Solomons, MD
Global Crossing
Baltimore, MD
Level 3
Elkton, MD
XO Communications
Baltimore, MD
XO Communications
Baltimore, MD
MetroPCS
Edgewood, MD
T-Mobile
Baltimore, MD
Unknown
--
AT&T
Churchville, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Verizon Wireless
Fallston, MD
Sprint
Baltimore, MD
Onvoy
Glenwood, MD
Global Crossing
Baltimore, MD
AT&T Mobility
Fork, MD
Verizon Wireless
Glen Burnie, MD
Verizon
Baltimore, MD
Bandwidth.com
Whiteford, MD
Verizon Wireless
Baltimore, MD
PAETEC
Baltimore, MD
CoreTel
Princess Anne, MD
CoreTel
Cockeysville, MD
Cavalier
Gwynn Oak, MD
XO Communications
Baltimore, MD
AT&T Mobility
Randallstown, MD
T-Mobile
Prince Frederick, MD
XO Communications
Annapolis, MD
Onvoy
Federalsburg, MD
Sprint
Baltimore, MD
Verizon
Gwynn Oak, MD
Onvoy
Pocomoke City, MD
Comcast
Baltimore, MD
Verizon Wireless
Trappe, MD
AT&T Mobility
Annapolis, MD
Peerless Network
Glenwood, MD
Cavalier
Parkville, MD
Verizon
Baltimore, MD
XO Communications
Elkridge, MD
CoreTel
Queenstown, MD
AT&T Mobility
Baltimore, MD
Unknown
Denton, MD
T-Mobile
Baltimore, MD
Comcast
Baltimore, MD
PAETEC
Baltimore, MD
Sprint
Baltimore, MD
T-Mobile
Baltimore, MD
T-Mobile
Annapolis, MD
Sprint
Baltimore, MD
Local Access
Edgewood, MD
Bandwidth.com
Baltimore, MD
XO Communications
Annapolis, MD
XO Communications
Baltimore, MD
XO Communications
Baltimore, MD
US LEC
Parkville, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
Wide Voice
Churchville, MD
Verizon Wireless
Towson, MD
Sprint
Elkton, MD
AT&T Mobility
Baltimore, MD
Sprint
Baltimore, MD
AT&T Mobility
Baltimore, MD
Bandwidth.com
Towson, MD
US LEC
Columbia, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
AT&T Mobility
Catonsville, MD
Sprint
Baltimore, MD
Verizon
Annapolis, MD
Verizon Wireless
Cambridge, MD
XO Communications
Baltimore, MD
Verizon
Laurel, MD
Verizon Wireless
Chestertown, MD
US LEC
Annapolis, MD
Verizon
Annapolis, MD
Level 3
Whiteford, MD
MetroPCS
Edgewood, MD
Level 3
Elkton, MD
Level 3
Prince Frederick, MD
Verizon Wireless
Westminster, MD
XO Communications
Baltimore, MD
Peerless Network
Baltimore, MD
MetroPCS
Edgewood, MD
Global Crossing
Parkton, MD
Level 3
Baltimore, MD
Verizon Wireless
Delmar, MD
Global Crossing
Millersville, MD
Global Crossing
Baltimore, MD
Sprint
Easton, MD
Sprint
Salisbury, MD
XO Communications
Baltimore, MD
Bandwidth.com
Jarrettsville, MD
AT&T Mobility
Baltimore, MD
Global Crossing
Baltimore, MD
Comcast
Havre De Grace, MD
XO Communications
Baltimore, MD
Verizon Wireless
Fallston, MD
Global Crossing
Baltimore, MD
Sprint
Baltimore, MD
Verizon
Hampstead, MD
Peerless Network
Hampstead, MD
AT&T Mobility
Baltimore, MD
Verizon Wireless
Annapolis, MD
Unknown
--
MetroPCS
Edgewood, MD
AT&T Mobility
Berlin, MD
AT&T Mobility
Columbia, MD
T-Mobile
Cambridge, MD
Global Crossing
Sykesville, MD
Verizon Wireless
Baltimore, MD
Verizon
Columbia, MD
AT&T Mobility
Baltimore, MD
AT&T Mobility
Catonsville, MD
Verizon Wireless
Cambridge, MD
MetroPCS
Reisterstown, MD
Verizon Wireless
Salisbury, MD
XO Communications
Baltimore, MD
AT&T Mobility
Baltimore, MD
Onvoy
Havre De Grace, MD
T-Mobile
Baltimore, MD
Sprint
Bel Air, MD
T-Mobile
Baltimore, MD
Peerless Network
Baltimore, MD
AT&T Mobility
Baltimore, MD
Sprint
Prince Frederick, MD
Onvoy
Jarrettsville, MD
Verizon Wireless
Annapolis, MD
T-Mobile
Columbia, MD
Sprint
Westminster, MD
Verizon Wireless
Columbia, MD
T-Mobile
Columbia, MD
US LEC
Columbia, MD
AT&T Mobility
Baltimore, MD
PAETEC
Baltimore, MD
Comcast
Columbia, MD
Verizon
Halethorpe, MD
Cavalier
Pikesville, MD
Level 3
Columbia, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Westminster, MD
XO Communications
Baltimore, MD
US LEC
Dundalk, MD
Level 3
North Beach, MD
Level 3
Baltimore, MD
Level 3
Baltimore, MD
Verizon Wireless
Elkton, MD
T-Mobile
Middle River, MD
Unknown
--
Verizon
Hunt Valley, MD
XO Communications
Baltimore, MD
XO Communications
Aberdeen, MD
Comcast
Essex, MD
Sprint
Baltimore, MD
US LEC
Columbia, MD
AT&T Mobility
Baltimore, MD
T-Mobile
Baltimore, MD
AT&T Mobility
Baltimore, MD
Unknown
Randallstown, MD
Verizon Wireless
Chesapeake City, MD
AT&T Mobility
Bel Air, MD
XO Communications
Halethorpe, MD
Level 3
Annapolis, MD
T-Mobile
Baltimore, MD
Verizon Wireless
Baltimore, MD
Verizon
Glen Burnie, MD
US LEC
Columbia, MD
US LEC
Ellicott City, MD
Unknown
Halethorpe, MD
XO Communications
Baltimore, MD
US LEC
Columbia, MD
XO Communications
Baltimore, MD
US LEC
Essex, MD
Sprint
Baltimore, MD
CoreTel
Middle River, MD
Bandwidth.com
Churchville, MD
Bandwidth.com
Columbia, MD
Bandwidth.com
Crofton, MD
Onvoy
Darlington, MD
AT&T Mobility
Dundalk, MD
CoreTel
Edgewood, MD
XO Communications
Baltimore, MD
US LEC
Cockeysville, MD
Global Crossing
Reisterstown, MD
Verizon Wireless
Glen Burnie, MD
Unknown
Elkridge, MD
T-Mobile
Elkton, MD
Onvoy
Baltimore, MD
Unknown
Sparks Glencoe, MD
AT&T Mobility
Essex, MD
Sprint
Severna Park, MD
Global Crossing
Annapolis, MD
MetroPCS
Baltimore, MD
T-Mobile
Essex, MD
Bandwidth.com
Fallston, MD
Verizon Wireless
Catonsville, MD
AT&T Mobility
Annapolis, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Westminster, MD
Bandwidth.com
Fork, MD
Comcast
West River, MD
Verizon Wireless
Towson, MD
Peerless Network
Sykesville, MD
Verizon Wireless
Baltimore, MD
Unknown
--
Verizon
Catonsville, MD
Verizon Wireless
Towson, MD
Verizon Wireless
Salisbury, MD
Verizon Wireless
Catonsville, MD
T-Mobile
Bel Air, MD
Verizon Wireless
Fallston, MD
Verizon Wireless
Glen Burnie, MD
Verizon Wireless
Bel Air, MD
Bandwidth.com
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Glen Burnie, MD
Verizon Wireless
Prince Frederick, MD
Onvoy
Fork, MD
Emergency Networks
Middle River, MD
Verizon Business
Baltimore, MD
AT&T Mobility
Glen Burnie, MD
Sprint
Baltimore, MD
T-Mobile
Baltimore, MD
AT&T Mobility
Catonsville, MD
Verizon Wireless
Towson, MD
Sprint
Baltimore, MD
Verizon
Odenton, MD
AT&T Mobility
Baltimore, MD
YMax Communications
Catonsville, MD
XO Communications
Baltimore, MD
Global NAPS
Ellicott City, MD
Onvoy
Hampstead, MD
US LEC
Bel Air, MD
AT&T Mobility
Pikesville, MD
Verizon
Baltimore, MD
Verizon
Bel Air, MD
CTC Communications
Jarrettsville, MD
Onvoy
Millersville, MD
Comcast
North Beach, MD
Onvoy
New Windsor, MD
Bandwidth.com
Baltimore, MD
US LEC
Sparrows Point, MD
XO Communications
Reisterstown, MD
Sprint
Baltimore, MD
T-Mobile
Towson, MD
T-Mobile
Baltimore, MD
Unknown
Jessup, MD
AT&T Mobility
Bel Air, MD
Unknown
Columbia, MD
T-Mobile
Randallstown, MD
Onvoy
Gwynn Oak, MD
Onvoy
West River, MD
Verizon Business
Baltimore, MD
Cavalier
Jessup, MD
Cavalier
Sparks Glencoe, MD
Onvoy
Gwynn Oak, MD
Comcast
Ocean City, MD
Onvoy
Nanticoke, MD
AT&T Mobility
Chestertown, MD
AT&T Mobility
Catonsville, MD
Verizon Wireless
Delmar, MD
Cavalier
Catonsville, MD
Bandwidth.com
New Windsor, MD
Peerless Network
Parkton, MD
Unknown
Brooklyn, MD
MetroPCS
North East, MD
Unknown
Randallstown, MD
AT&T Mobility
Baltimore, MD
Sprint
Baltimore, MD
T-Mobile
Parkville, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
XO Communications
Baltimore, MD
Verizon Wireless
Baltimore, MD
T-Mobile
Baltimore, MD
Verizon Wireless
Prince Frederick, MD
Verizon Wireless
Severn, MD
Verizon Wireless
Fallston, MD
AT&T Mobility
Baltimore, MD
Cavalier
Severn, MD
Verizon Wireless
Cockeysville, MD
Verizon Wireless
Baltimore, MD
AT&T Mobility
Baltimore, MD
XO Communications
Baltimore, MD
Verizon Wireless
Perryville, MD
Sprint
Severna Park, MD
Verizon Wireless
Baltimore, MD
Cavalier
Dundalk, MD
Global NAPS
Catonsville, MD
MetroPCS
Odenton, MD
Verizon Wireless
Annapolis, MD
Unknown
--
Level 3
Halethorpe, MD
Unknown
Pasadena, MD
XO Communications
Baltimore, MD
MetroPCS
Odenton, MD
Verizon Wireless
Cockeysville, MD
Unknown
Crisfield, MD
T-Mobile
Aberdeen, MD
Comcast
Baltimore, MD
Cavalier
Halethorpe, MD
AT&T Mobility
Baltimore, MD
Unknown
--
MetroPCS
Reisterstown, MD
T-Mobile
Columbia, MD
AT&T Mobility
Columbia, MD
Unknown
North East, MD
Cavalier
Annapolis, MD
Verizon Wireless
Baltimore, MD
US LEC
Columbia, MD
CoreTel
Jarrettsville, MD
XO Communications
Elkton, MD
Verizon Wireless
Baltimore, MD
T-Mobile
Baltimore, MD
Sprint
Brooklyn, MD
Cavalier
Easton, MD
PAETEC
Baltimore, MD
Sprint
Towson, MD
Unknown
Bishopville, MD
Cavalier
Berlin, MD
PAETEC
Baltimore, MD
PAETEC
Baltimore, MD
Level 3
Port Deposit, MD
Bandwidth.com
Westminster, MD
Onvoy
Baltimore, MD
AT&T Mobility
Severn, MD
AT&T Mobility
Salisbury, MD
Comcast
Salisbury, MD
PAETEC
Baltimore, MD
PAETEC
Baltimore, MD
T-Mobile
Baltimore, MD
Sprint
Baltimore, MD
MetroPCS
Columbia, MD
AT&T Mobility
Baltimore, MD
T-Mobile
Baltimore, MD
Sprint
Reisterstown, MD
Verizon Wireless
Columbia, MD
Level 3
Easton, MD
Peerless Network
Port Deposit, MD
Unknown
Millersville, MD
Cavalier
Baltimore, MD
Sprint
Baltimore, MD
Cavalier
Gwynn Oak, MD
Verizon Wireless
Bel Air, MD
XO Communications
Jessup, MD
Verizon Wireless
Salisbury, MD
Wide Voice
Elkridge, MD
AT&T Mobility
Baltimore, MD
Cavalier
Elkridge, MD
Verizon Wireless
Annapolis, MD
Comcast
Baltimore, MD
T-Mobile
Aberdeen, MD
Verizon Wireless
Towson, MD
Sprint
Baltimore, MD
T-Mobile
Baltimore, MD
T-Mobile
Glen Burnie, MD
AT&T Mobility
Catonsville, MD
MetroPCS
Columbia, MD
Onvoy
Reisterstown, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Verizon
Pasadena, MD
Verizon Wireless
Prince Frederick, MD
Cavalier
Essex, MD
XO Communications
Baltimore, MD
CoreTel
Baltimore, MD
Onvoy
Baltimore, MD
Bandwidth.com
Baltimore, MD
Verizon
Essex, MD
Verizon
Laurel, MD
XO Communications
Aberdeen, MD
US LEC
Columbia, MD
Unknown
Pasadena, MD
Onvoy
Annapolis, MD
Verizon Wireless
Salisbury, MD
AT&T Mobility
Baltimore, MD
Onvoy
Halethorpe, MD
Verizon Wireless
Easton, MD
T-Mobile
Bel Air, MD
T-Mobile
Aberdeen, MD
AT&T Mobility
Westminster, MD
Sprint
Glen Burnie, MD
AT&T Mobility
Towson, MD
Verizon
Brooklyn, MD
XO Communications
Baltimore, MD
AT&T Mobility
Baltimore, MD
XO Communications
Baltimore, MD
XO Communications
Baltimore, MD
XO Communications
Baltimore, MD
AT&T Mobility
Towson, MD
AT&T Mobility
Baltimore, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
T-Mobile
Glen Burnie, MD
Sprint
Baltimore, MD
Sprint
Fallston, MD
AT&T Mobility
Annapolis, MD
Level 3
Baltimore, MD
Sprint
Baltimore, MD
Unknown
--
Verizon Wireless
Columbia, MD
T-Mobile
Baltimore, MD
Sprint
Baltimore, MD
XO Communications
Baltimore, MD
CoreTel
Severna Park, MD
XO Communications
Baltimore, MD
AT&T Mobility
Pasadena, MD
T-Mobile
Bel Air, MD
Sprint
Baltimore, MD
Verizon Wireless
Westminster, MD
Sprint
Annapolis, MD
AT&T Mobility
Towson, MD
T-Mobile
Towson, MD
T-Mobile
Baltimore, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Baltimore, MD
Cavalier
Ellicott City, MD
Sprint
Baltimore, MD
Unknown
Catonsville, MD
AT&T Mobility
Baltimore, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Halethorpe, MD
Verizon Wireless
Towson, MD
Verizon Wireless
Baltimore, MD
Onvoy
Baltimore, MD
US LEC
Annapolis, MD
AT&T Mobility
Baltimore, MD
T-Mobile
Baltimore, MD
Verizon
Catonsville, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Baltimore, MD
Verizon
Havre De Grace, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Baltimore, MD
AT&T Mobility
Towson, MD
AT&T Mobility
Towson, MD
Verizon Wireless
Baltimore, MD
Verizon
Towson, MD
T-Mobile
Baltimore, MD
T-Mobile
Catonsville, MD
AT&T Mobility
Annapolis, MD
XO Communications
Baltimore, MD
T-Mobile
Baltimore, MD
XO Communications
Aberdeen, MD
AT&T Mobility
Ocean City, MD
T-Mobile
Baltimore, MD
T-Mobile
Baltimore, MD
Verizon Wireless
Salisbury, MD
Verizon Business
Catonsville, MD
Verizon
Aberdeen, MD
Verizon Wireless
Towson, MD
Level 3
Baltimore, MD
Sprint
Columbia, MD
Sprint
Baltimore, MD
Sprint
Bel Air, MD
Verizon Wireless
Glen Burnie, MD
T-Mobile
Baltimore, MD
Comcast
Baltimore, MD
Level 3
Pikesville, MD
Sprint
Annapolis, MD
Cavalier
Baltimore, MD
Comcast
Pikesville, MD
Cavalier
Baltimore, MD
AT&T Mobility
Annapolis, MD
Sprint
Bel Air, MD
AT&T Mobility
North East, MD
Verizon Wireless
Baltimore, MD
Onvoy
Baltimore, MD
Verizon Wireless
Salisbury, MD
MetroPCS
Reisterstown, MD
Sprint
Baltimore, MD
Verizon Wireless
Baltimore, MD
Cavalier
Baltimore, MD
Verizon
Baltimore, MD
Verizon Wireless
Baltimore, MD
Unknown
Harmans, MD
Onvoy
Princess Anne, MD
T-Mobile
Glen Burnie, MD
Verizon Wireless
Baltimore, MD
T-Mobile
Baltimore, MD
Bandwidth.com
New Windsor, MD
XO Communications
Baltimore, MD
Sprint
Baltimore, MD
AT&T Mobility
Towson, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
Level 3
Pikesville, MD
Level 3
Elkridge, MD
Verizon Wireless
Towson, MD
Cavalier
Towson, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Bel Air, MD
Verizon Wireless
Baltimore, MD
AT&T Mobility
Annapolis, MD
Peerless Network
Severna Park, MD
Verizon Wireless
Elkton, MD
Sprint
Baltimore, MD
Sprint
Baltimore, MD
AT&T Mobility
Bel Air, MD
Unknown
--
AT&T Mobility
Towson, MD
Sprint
Baltimore, MD
Peerless Network
Reisterstown, MD
Verizon Wireless
Baltimore, MD
Sprint
Baltimore, MD
XO Communications
Columbia, MD
Level 3
Taneytown, MD
Cavalier
Baltimore, MD
CoreTel
Sykesville, MD
PAETEC
Baltimore, MD
MetroPCS
Edgewood, MD
Cavalier
Baltimore, MD
Verizon Wireless
Annapolis, MD
Sprint
Baltimore, MD
Verizon Wireless
Annapolis, MD
Level 3
Baltimore, MD
Verizon Wireless
Baltimore, MD
T-Mobile
Pikesville, MD
Sprint
Baltimore, MD
AT&T Mobility
Baltimore, MD
Sprint
Baltimore, MD
Verizon Wireless
Hunt Valley, MD
Verizon Wireless
Baltimore, MD
AT&T Mobility
Towson, MD
AT&T Mobility
Baltimore, MD
Peerless Network
Union Bridge, MD
T-Mobile
Baltimore, MD
T-Mobile
Baltimore, MD
Unknown
Pikesville, MD
T-Mobile
Elkton, MD
Sprint
Severna Park, MD
MetroPCS
Baltimore, MD
Verizon Wireless
Salisbury, MD
Verizon Wireless
Elkton, MD
AT&T Mobility
Parkville, MD
Onvoy
Perryville, MD
Sprint
Baltimore, MD
Comcast
Annapolis, MD
YMax Communications
Annapolis, MD
Onvoy
Westminster, MD
Verizon Wireless
Salisbury, MD
PAETEC
Baltimore, MD
Verizon Wireless
Baltimore, MD
AT&T Mobility
Baltimore, MD
Sprint
Baltimore, MD
Unknown
--
Unknown
--
Verizon Wireless
Glen Burnie, MD
Bandwidth.com
Baltimore, MD
Verizon Wireless
Glen Burnie, MD
AT&T Mobility
Baltimore, MD
Comcast
North Beach, MD
Sprint
Baltimore, MD
Verizon Wireless
Fallston, MD
Peerless Network
North East, MD
Comcast
Prince Frederick, MD
Cavalier
Essex, MD
Verizon Wireless
Baltimore, MD
Peerless Network
Taneytown, MD
T-Mobile
Cambridge, MD
XO Communications
Baltimore, MD
Verizon Wireless
Westminster, MD
Verizon Wireless
Prince Frederick, MD
Unknown
--
Verizon Wireless
Baltimore, MD
T-Mobile
Salisbury, MD
MetroPCS
Columbia, MD
AT&T Mobility
Catonsville, MD
Verizon Wireless
Fallston, MD
YMax Communications
Baltimore, MD
Unknown
Baltimore, MD
Verizon
Baltimore, MD
T-Mobile
Randallstown, MD
Verizon Wireless
Baltimore, MD
Verizon Wireless
Bel Air, MD
Verizon Wireless
Centreville, MD
Cavalier
Glen Burnie, MD
AT&T Mobility
Baltimore, MD
MetroPCS
Towson, MD
Sprint
Baltimore, MD
Sprint
Elkton, MD
AT&T Mobility
Annapolis, MD
AT&T Mobility
Annapolis, MD
AT&T Mobility
Catonsville, MD
Verizon
Baltimore, MD
Onvoy
Parkville, MD
Verizon
--