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636 Area Code 🌍☎️

The 636 Area Code is located in the state of Missouri. Area Code 636 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 3,862,839 unique phone numbers and 596,977 individuals near the cities of Saint Charles, Chesterfield, and O Fallon.

Cities Located in the 636 Area Code

The most populous cities in area code 636 are: Saint Charles, Chesterfield, O Fallon, Saint Louis, and Ballwin.

Other cities in the 636 area code include: Wentzville, Crystal City, Fenton, Saint Peters, Washington, Arnold, Imperial, Union, Valley Park, High Ridge, Troy, Warrenton, Earth City, Cedar Hill, Wildwood, Pacific, De Soto, Portage Des Sioux, Maryland Heights, Saint Clair, Gray Summit, Saint Ann, Herculaneum, Eureka, Winfield, Foristell, Defiance, Hillsboro, House Springs, Wright City, Marthasville, Fletcher, Moscow Mills, Augusta, Foley, Old Monroe, Jonesburg, Hawk Point, High Hill, Truxton, and New Haven.

Reverse Phone Lookup in Saint Charles, MO

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About Saint Charles, Chesterfield, and O Fallon, Missouri

St. Charles is a city in, and the county seat of, St. Charles County, Missouri, United States. The population was 65,794 at the 2010 census, making St. Charles the ninth-largest city in Missouri. It lies to the northwest, and is a suburb of St. Louis, Missouri on the Missouri River.Founded in about 1769 as Les Petites Côtes, or "The Little Hills" in French, by Louis Blanchette, a French-Canadian fur trader, when the area was nominally ruled by Spain following the Seven Years' War, it is the third-oldest city in Missouri. For a time, it played a significant role in the United States' westward expansion.It was settled primarily by French-speaking colonists from Canada in its early days and was considered the last "civilized" stop by the Lewis and Clark Expedition in 1804, which was exploring the western territory after the United States made the Louisiana Purchase. The city served as the first Missouri capital from 1821 to 1826, and is the site of the Saint Rose Philippine Duchesne shrine.

Chesterfield is a city in St. Louis County, Missouri, United States, and a Western suburb of St. Louis. As of the 2010 census, the population was 47,484, making it the state's fourteenth-largest city.The broader valley of Chesterfield was originally referred to as "Gumbo Flats", derived from its soil, which though very rich and silty, became like a gumbo when wet. Chesterfield is half the size of St. Louis.

O'Fallon / oʊ ˈ f æ l ən / is a city along Interstate 70 and Interstate 64 between Lake St. Louis and St. Peters in St. Charles County, Missouri. It is part of the St. Louis Metropolitan Statistical Area. As of the 2010 census O'Fallon had a population of 79,329, making it the largest municipality in St. Charles County and seventh largest in the state of Missouri. In 2006 Money Magazine named O'Fallon 39th in its "Best 100 Places to Live." Money Magazine also ranked O'Fallon 68th out of 100 in 2008 and 26th out of 100 in 2010. O'Fallon's namesake in St. Clair County, Illinois is also part of the St. Louis Metropolitan Statistical Area. The two O'Fallons are one of the few pairs of same-named municipalities to be part of the same MSA.

What Time Zone is Area Code 636?

The 636 area code lies within the Central Daylight Time Zone (or CDT). The current time in Central Daylight Time is 11:43 AM on May 21, 2024.

Neighborhood Demographics

Statistics based on US Census data for Saint Charles
38 y/o
Median Age
The median age for Saint Charles was sourced from the US Census
$75.9K
Median Income
The median income for Saint Charles was sourced from the US Census
$212K
Median Home Value
The median home value for Saint Charles was sourced from the US Census
597K
Total Population
The total population for Saint Charles was sourced from the US Census

Area Codes Near Saint Charles, Chesterfield, and O Fallon, Missouri

Area Code 314
7,778,517 phone numbers
Saint Louis, Saint Ann, and Bridgeton
Area Code 217
6,931,768 phone numbers
Area Code 309
6,455,789 phone numbers
Area Code 660
4,160,953 phone numbers
Did you receive an unwanted call from a (636) phone number?
838 Records Found

Phone Number Prefixes in the 636 Area Code

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Unknown
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Unknown
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Unknown
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Birch Telecom
Maryland Heights, MO
Unknown
Warrenton, MO
Onvoy
Warrenton, MO
Unknown
Fenton, MO
Unknown
Warrenton, MO
Onvoy
Winfield, MO
Onvoy
Earth City, MO
AT&T Southwest
Ballwin, MO
AT&T Mobility
Crystal City, MO
Verizon Wireless
Crystal City, MO
Unknown
Union, MO
Unknown
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Verizon Wireless
Arnold, MO
Unknown
Warrenton, MO
Unknown
Chesterfield, MO
Verizon Wireless
Arnold, MO
XO Communications
Saint Louis, MO
Unknown
--
Unknown
Arnold, MO
T-Mobile
Saint Charles, MO
Charter Fiberlink
Ballwin, MO
AT&T Mobility
Washington, MO
Verizon Wireless
Cedar Hill, MO
Charter Fiberlink
Imperial, MO
Bandwidth.com
Herculaneum, MO
AT&T Southwest
Valley Park, MO
Sprint
Valley Park, MO
AT&T Southwest
Ballwin, MO
Unknown
Augusta, MO
Windstream
Saint Charles, MO
AT&T Southwest
Ballwin, MO
Windstream
Washington, MO
AT&T Mobility
Crystal City, MO
Verizon Wireless
Saint Charles, MO
AT&T Mobility
Union, MO
Level 3
Warrenton, MO
Sprint
Saint Louis, MO
Unknown
Chesterfield, MO
Peerless Network
Ballwin, MO
AT&T Southwest
Washington, MO
CenturyLink
O Fallon, MO
Unknown
Washington, MO
Onvoy
Marthasville, MO
Level 3
De Soto, MO
Charter Fiberlink
Saint Charles, MO
Unknown
Saint Louis, MO
XO Communications
Saint Charles, MO
AT&T Southwest
Chesterfield, MO
Verizon Wireless
Saint Peters, MO
AT&T Mobility
Union, MO
Unknown
Portage Des Sioux, MO
Onvoy
Foristell, MO
Unknown
Chesterfield, MO
T-Mobile
High Ridge, MO
Unknown
--
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Ballwin, MO
AT&T Southwest
Pacific, MO
Unknown
Portage Des Sioux, MO
T-Mobile
Gray Summit, MO
Unknown
--
AT&T Southwest
Saint Charles, MO
Sprint
Chesterfield, MO
Onvoy
Saint Charles, MO
Unknown
Winfield, MO
Charter Fiberlink
O Fallon, MO
Level 3
Washington, MO
Unknown
High Ridge, MO
Unknown
--
Unknown
--
Unknown
Fletcher, MO
AT&T Southwest
Pacific, MO
CenturyLink
O Fallon, MO
AT&T Southwest
Wildwood, MO
AT&T Southwest
Cedar Hill, MO
Onvoy
Arnold, MO
Unknown
--
Peerless Network
Earth City, MO
CenturyLink
Saint Peters, MO
CenturyLink
Saint Peters, MO
Unknown
Eureka, MO
CenturyLink
O Fallon, MO
AT&T Southwest
Arnold, MO
AT&T Mobility
Washington, MO
AT&T Mobility
Saint Charles, MO
AT&T Southwest
Cedar Hill, MO
Unknown
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AT&T Southwest
Arnold, MO
AT&T Mobility
Saint Charles, MO
Unknown
Hawk Point, MO
Sprint
Troy, MO
Unknown
--
Unknown
Chesterfield, MO
T-Mobile
O Fallon, MO
Charter Fiberlink
O Fallon, MO
Verizon Wireless
Troy, MO
AT&T Southwest
Arnold, MO
Verizon Wireless
Warrenton, MO
Unknown
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Sprint
Chesterfield, MO
AT&T Southwest
Saint Charles, MO
Unknown
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Unknown
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AT&T Mobility
Union, MO
Unknown
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AT&T Southwest
Fenton, MO
Onvoy
Herculaneum, MO
Unknown
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Unknown
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Unknown
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Unknown
Hillsboro, MO
Unknown
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Sprint
O Fallon, MO
Unknown
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Unknown
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Unknown
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Unknown
--
Onvoy
Saint Louis, MO
Unknown
Troy, MO
Unknown
O Fallon, MO
USA Mobility
Saint Charles, MO
AT&T Southwest
Arnold, MO
Sprint
Saint Clair, MO
Peerless Network
House Springs, MO
Peerless Network
Wildwood, MO
Unknown
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AT&T Southwest
Fenton, MO
CenturyLink
Wentzville, MO
AT&T Mobility
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
Unknown
De Soto, MO
Unknown
Crystal City, MO
CenturyLink
Wentzville, MO
Peerless Network
Arnold, MO
Level 3
Pacific, MO
Unknown
Fenton, MO
PAETEC
Saint Charles, MO
AT&T Southwest
De Soto, MO
Unknown
Hawk Point, MO
Unknown
O Fallon, MO
Unknown
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Unknown
Crystal City, MO
Unknown
Saint Charles, MO
AT&T Southwest
Fenton, MO
AT&T Southwest
Saint Charles, MO
Sprint
Saint Charles, MO
Sprint
Saint Louis, MO
Unknown
De Soto, MO
Unknown
Saint Peters, MO
AT&T Southwest
Fenton, MO
Unknown
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Unknown
O Fallon, MO
Sprint
Saint Charles, MO
Unknown
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Unknown
Saint Charles, MO
Onvoy
Foley, MO
CenturyLink
Moscow Mills, MO
AT&T Mobility
Wentzville, MO
AT&T Mobility
Troy, MO
AT&T Mobility
Warrenton, MO
Unknown
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Unknown
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AT&T Mobility
Saint Charles, MO
American Messaging
Arnold, MO
Level 3
Saint Clair, MO
Unknown
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CenturyLink
Moscow Mills, MO
Unknown
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Sprint
Chesterfield, MO
Unknown
Washington, MO
Unknown
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Unknown
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Unknown
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Sprint
Earth City, MO
Unknown
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AT&T Mobility
High Ridge, MO
AT&T Southwest
High Ridge, MO
AT&T Mobility
Warrenton, MO
Unknown
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CenturyLink
O Fallon, MO
Unknown
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Unknown
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Unknown
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AT&T Mobility
Troy, MO
AT&T Mobility
Wright City, MO
Sprint
O Fallon, MO
AT&T Southwest
Ballwin, MO
Charter Fiberlink
Saint Peters, MO
AT&T Mobility
Union, MO
T-Mobile
Earth City, MO
AT&T Southwest
Washington, MO
AT&T Southwest
Ballwin, MO
Onvoy
Washington, MO
Sprint
Pacific, MO
AT&T Southwest
Ballwin, MO
Sprint
Earth City, MO
Unknown
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CenturyLink
Saint Peters, MO
CenturyLink
Defiance, MO
Verizon Wireless
Ballwin, MO
Peerless Network
Portage Des Sioux, MO
Unknown
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Peerless Network
Gray Summit, MO
USA Mobility
Saint Charles, MO
Unknown
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AT&T Southwest
Wildwood, MO
Unknown
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Unknown
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Unknown
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T-Mobile
O Fallon, MO
XO Communications
Earth City, MO
Unknown
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XO Communications
Valley Park, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Wildwood, MO
Unknown
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Unknown
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Unknown
Portage Des Sioux, MO
Unknown
Portage Des Sioux, MO
Unknown
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AT&T Mobility
High Ridge, MO
Peerless Network
Eureka, MO
Unknown
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Unknown
Valley Park, MO
AT&T Mobility
Washington, MO
Unknown
Marthasville, MO
Onvoy
Portage Des Sioux, MO
XO Communications
Valley Park, MO
Unknown
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Unknown
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XO Communications
Ballwin, MO
AT&T Mobility
O Fallon, MO
Unknown
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AT&T Southwest
Saint Charles, MO
Level 3
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
XO Communications
Maryland Heights, MO
Verizon Wireless
Wentzville, MO
Unknown
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AT&T Southwest
Saint Charles, MO
AT&T Mobility
Saint Charles, MO
Windstream
Saint Louis, MO
Unknown
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AT&T Southwest
Gray Summit, MO
Onvoy
Fletcher, MO
Unknown
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Unknown
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Unknown
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CenturyLink
Warrenton, MO
Unknown
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AT&T Southwest
Wildwood, MO
Verizon Wireless
Foristell, MO
Unknown
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Unknown
Imperial, MO
CenturyLink
Troy, MO
Unknown
Foristell, MO
AT&T Southwest
Imperial, MO
YMax Communications
Crystal City, MO
AT&T Mobility
Wentzville, MO
Unknown
Imperial, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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CenturyLink
Saint Peters, MO
AT&T Southwest
Herculaneum, MO
Unknown
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AT&T Southwest
Saint Charles, MO
Unknown
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AT&T Southwest
Herculaneum, MO
Unknown
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Windstream
Hillsboro, MO
Unknown
Augusta, MO
Unknown
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Verizon Wireless
Ballwin, MO
Verizon Wireless
Saint Peters, MO
Level 3
Saint Charles, MO
Verizon Wireless
Saint Charles, MO
CenturyLink
Jonesburg, MO
Level 3
Chesterfield, MO
Unknown
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Unknown
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Onvoy
Fenton, MO
Charter Fiberlink
Earth City, MO
Unknown
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AT&T Mobility
High Ridge, MO
AT&T Southwest
Fenton, MO
Unknown
Wentzville, MO
AT&T Southwest
Saint Charles, MO
Unknown
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Onvoy
Imperial, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Sprint
O Fallon, MO
Unknown
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Onvoy
Valley Park, MO
Unknown
--
AT&T Southwest
Chesterfield, MO
Unknown
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Unknown
--
Unknown
--
Unknown
--
AT&T Mobility
Crystal City, MO
Unknown
Imperial, MO
Unknown
--
AT&T Southwest
Ballwin, MO
CenturyLink
Troy, MO
Unknown
Valley Park, MO
AT&T Southwest
Chesterfield, MO
Unknown
--
AT&T Southwest
Chesterfield, MO
XO Communications
Fenton, MO
Windstream
Chesterfield, MO
AT&T Mobility
Crystal City, MO
AT&T Southwest
Chesterfield, MO
AT&T Southwest
Chesterfield, MO
Unknown
Wentzville, MO
Unknown
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Unknown
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AT&T Mobility
Saint Charles, MO
AT&T Mobility
O Fallon, MO
YMax Communications
Crystal City, MO
AT&T Mobility
O Fallon, MO
Unknown
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Unknown
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Global Crossing
Imperial, MO
Global Crossing
Arnold, MO
Windstream
Eureka, MO
Unknown
--
Onvoy
Cedar Hill, MO
XO Communications
Ballwin, MO
Unknown
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Unknown
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Unknown
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Onvoy
Saint Ann, MO
Unknown
Ballwin, MO
Unknown
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Unknown
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Unknown
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CenturyLink
O Fallon, MO
Unknown
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Unknown
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Unknown
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Peerless Network
De Soto, MO
Unknown
Winfield, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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XO Communications
Saint Charles, MO
American Messaging
Saint Charles, MO
AT&T Mobility
High Ridge, MO
Unknown
--
AT&T Mobility
Saint Peters, MO
Sprint
Saint Louis, MO
T-Mobile
Chesterfield, MO
Unknown
--
Unknown
--
Peerless Network
Union, MO
AT&T Southwest
Union, MO
AT&T Mobility
Union, MO
Onvoy
High Hill, MO
AT&T Southwest
De Soto, MO
AT&T Southwest
Eureka, MO
Unknown
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Unknown
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Global Crossing
Saint Ann, MO
PAETEC
Ballwin, MO
Unknown
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Unknown
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XO Communications
Ballwin, MO
Unknown
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Unknown
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Unknown
Truxton, MO
Unknown
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Unknown
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XO Communications
Maryland Heights, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
--
Sprint
O Fallon, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Sprint
Troy, MO
Unknown
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Unknown
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CenturyLink
O Fallon, MO
Unknown
Saint Peters, MO
Charter Fiberlink
Saint Louis, MO
AT&T Mobility
Saint Ann, MO
AT&T Southwest
Saint Clair, MO
Unknown
O Fallon, MO
Unknown
--
Unknown
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T-Mobile
Imperial, MO
T-Mobile
Saint Ann, MO
Unknown
Cedar Hill, MO
Unknown
--
Unknown
Crystal City, MO
Peerless Network
Crystal City, MO
CenturyLink
Wentzville, MO
Unknown
--
Unknown
--
Level 3
Imperial, MO
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
--
Unknown
Saint Ann, MO
Peerless Network
Union, MO
Unknown
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Unknown
Saint Louis, MO
Unknown
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Unknown
--
Unknown
--
Unknown
Wentzville, MO
Unknown
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Unknown
--
Unknown
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Unknown
--
XO Communications
Fenton, MO
Onvoy
Old Monroe, MO
Unknown
Foley, MO
Unknown
--
Unknown
--
Unknown
Old Monroe, MO
Onvoy
Union, MO
Sprint
Washington, MO
Unknown
Winfield, MO
PAETEC
Saint Charles, MO
Unknown
--
AT&T Southwest
House Springs, MO
Unknown
--
Unknown
Foristell, MO
Unknown
House Springs, MO
T-Mobile
Chesterfield, MO
Unknown
--
AT&T Southwest
High Ridge, MO
Onvoy
Fenton, MO
Unknown
Wentzville, MO
Windstream
Saint Louis, MO
Unknown
Saint Louis, MO
Unknown
--
Unknown
--
Unknown
--
AT&T
Saint Louis, MO
Unknown
Saint Louis, MO
Unknown
--
AT&T
Saint Louis, MO
Onvoy
Saint Louis, MO
Unknown
--
Unknown
--
Level 3
High Ridge, MO
Unknown
--
Unknown
--
CenturyLink
O Fallon, MO
AT&T
O Fallon, MO
Sprint
Saint Louis, MO
Verizon Wireless
Wentzville, MO
Sprint
Maryland Heights, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
T-Mobile
Wentzville, MO
Peerless Network
Cedar Hill, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
AT&T Southwest
Fenton, MO
Unknown
--
Unknown
--
XO Communications
Saint Louis, MO
Unknown
--
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
AT&T Mobility
Crystal City, MO
Unknown
--
Unknown
--
AT&T Southwest
Chesterfield, MO
Unknown
--
XO Communications
Chesterfield, MO
Unknown
--
Unknown
Gray Summit, MO
AT&T Southwest
Chesterfield, MO
Sprint
Saint Louis, MO
T-Mobile
Chesterfield, MO
AT&T Southwest
Chesterfield, MO
AT&T Southwest
Chesterfield, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
Imperial, MO
AT&T Southwest
Gray Summit, MO
Unknown
--
AT&T Mobility
Union, MO
CenturyLink
Wright City, MO
Unknown
Saint Louis, MO
Unknown
Pacific, MO
Peerless Network
Cedar Hill, MO
Unknown
--
Unknown
--
Verizon Wireless
Ballwin, MO
Unknown
--
Unknown
Portage Des Sioux, MO
XO Communications
Earth City, MO
CenturyLink
O Fallon, MO
Unknown
--
Windstream
Saint Louis, MO
Unknown
Saint Clair, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Level 3
Fenton, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
XO Communications
Saint Charles, MO
Unknown
--
Charter Fiberlink
Troy, MO
Unknown
--
Unknown
Maryland Heights, MO
Charter Fiberlink
Chesterfield, MO
Windstream
Saint Louis, MO
Unknown
--
Unknown
--
Onvoy
Marthasville, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
XO Communications
Chesterfield, MO
Unknown
--
AT&T Southwest
Hillsboro, MO
Unknown
--
Onvoy
Wright City, MO
Unknown
--
Verizon Business
Saint Charles, MO
XO Communications
Saint Charles, MO
AT&T Mobility
Saint Charles, MO
Unknown
--
AT&T Southwest
Hillsboro, MO
Unknown
Defiance, MO
Unknown
--
Onvoy
Earth City, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
PAETEC
Chesterfield, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Radio Comm
--
Unknown
--
Unknown
--
Unknown
Wildwood, MO
Unknown
--
Unknown
--
Unknown
--
AT&T Southwest
Valley Park, MO
Unknown
--
AT&T Southwest
Valley Park, MO
Unknown
Defiance, MO
Unknown
High Ridge, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
Herculaneum, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
Wentzville, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Sprint
O Fallon, MO
Unknown
--
XO Communications
Saint Charles, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Charter Fiberlink
Wentzville, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
AT&T Southwest
Valley Park, MO
Unknown
--
Unknown
--
Unknown
--
AT&T
Hillsboro, MO
Sprint
Saint Charles, MO
Unknown
Jonesburg, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
O Fallon, MO
AT&T Mobility
Saint Peters, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
CenturyLink
Wentzville, MO
Onvoy
Saint Clair, MO
Unknown
--
Unknown
--
AT&T Mobility
Ballwin, MO
Unknown
--
AT&T Mobility
Saint Louis, MO
Unknown
--
Unknown
--
AT&T Southwest
Saint Charles, MO
Unknown
--
XO Communications
Chesterfield, MO
AT&T Southwest
Portage Des Sioux, MO
Onvoy
Washington, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
AT&T Southwest
Saint Charles, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
AT&T Southwest
Saint Charles, MO
Onvoy
Saint Louis, MO
Unknown
--
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
Unknown
--
AT&T Southwest
Saint Charles, MO
Unknown
--
Unknown
--
AT&T Southwest
Crystal City, MO
Unknown
New Haven, MO
AT&T Southwest
Crystal City, MO
Unknown
--
Unknown
--
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Crystal City, MO
AT&T Southwest
Eureka, MO
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
Unknown
--
AT&T Southwest
Imperial, MO
Unknown
--
Peerless Network
Fletcher, MO
Unknown
--
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Saint Charles, MO
AT&T Southwest
Imperial, MO
AT&T Southwest
Saint Charles, MO
Unknown
--
Unknown
--
Unknown
--
Unknown
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CenturyLink
Saint Peters, MO
Unknown
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Unknown
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CenturyLink
O Fallon, MO
Unknown
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CenturyLink
O Fallon, MO
Unknown
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Unknown
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Unknown
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Unknown
Defiance, MO
Unknown
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Onvoy
Pacific, MO

Other Area Codes