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650 Area Code ๐ŸŒโ˜Ž๏ธ

The 650 Area Code is located in the state of California. Area Code 650 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 6,930,654 unique phone numbers and 2,993,016 individuals near the cities of Palo Alto, San Mateo, and Mountain View.

Cities Located in the 650 Area Code

The most populous cities in area code 650 are: Palo Alto, San Mateo, Mountain View, Redwood City, and San Bruno.

Other cities in the 650 area code include: San Carlos, San Francisco, Half Moon Bay, Los Altos, Millbrae, Daly City, Pacifica, Pescadero, La Honda, Brisbane, San Jose, South San Francisco, Moss Beach, Stanford, Fremont, and Sunnyvale.

Reverse Phone Lookup in Palo Alto, CA

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About Palo Alto, San Mateo, and Mountain View, California

Palo Alto is a charter city located in the northwest corner of Santa Clara County, California, in the San Francisco Bay Area of the United States. The city shares its borders with East Palo Alto, Mountain View, Los Altos, Los Altos Hills, Stanford, Portola Valley, and Menlo Park. It is named after a coast redwood tree called El Palo Alto.Palo Alto was established by Leland Stanford Sr. when he founded Stanford University, following the death of his son, Leland Stanford Jr. The city includes portions of Stanford and is headquarters to a number of high-technology companies, including Hewlett-Packard (HP), Space Systems/Loral, VMware, Tesla Motors, Ford Research and Innovation Center, PARC, Ning, IDEO, Skype, and Palantir Technologies. It has also served as an incubator to several other high-technology companies such as Google, Facebook, Logitech, Intuit, Pinterest, and PayPal.As of the 2010 census, the city's total resident population is 64,403. Palo Alto is one of the most expensive cities in the United States and its residents are amongst the highest educated in the country.

San Mateo is a city in San Mateo County, California, in the high-tech enclave of Silicon Valley in the San Francisco Bay Area. With a population of 97,207 as of the 2010 census, it is one of the larger suburbs on the San Francisco Peninsula, located between Burlingame to the north, Foster City and San Francisco Bay to the east, Belmont to the south, and Highlands-Baywood Park and Hillsborough to the west. The 2015 population was estimated to be 103,536. San Mateo was incorporated in 1894.

Mountain View is a city located in Santa Clara County, California, United States, named for its views of the Santa Cruz Mountains. From its origins as a stagecoach stop, it grew to a large suburb with a pedestrian-friendly downtown, free wi-fi, and a population of 74,066. The city borders Palo Alto and the San Francisco Bay to the north, Los Altos to the south, and Moffett Federal Airfield and Sunnyvale to the east.Situated in the southern end of the San Francisco Peninsula in the San Francisco Bay Area, Mountain View is home to many high technology companies. In 1956, Shockley Semiconductor Laboratory, the first company to develop silicon semiconductor devices in what came to be known as Silicon Valley, was established in the city by William Shockley. Today, many of the largest technology companies in the world are headquartered in the city, including Google, Mozilla Foundation, Symantec, and Intuit. The original Byte Shop computer store was opened at 1063 El Camino Real, Mountain View by Paul Terrell, and the first 50 Apple I computers were sold from that location. The Santa Clara Valley Transportation Authority integrates the city with the neighboring cities of Palo Alto, Los Altos, and Sunnyvale.

What Time Zone is Area Code 650?

The 650 area code lies within the Pacific Daylight Time Zone (or PDT). The current time in Pacific Daylight Time is 12:16 AM on Apr 22, 2024.

Neighborhood Demographics

Statistics based on US Census data for Palo Alto
38 y/o
Median Age
The median age for Palo Alto was sourced from the US Census
$107K
Median Income
The median income for Palo Alto was sourced from the US Census
$962K
Median Home Value
The median home value for Palo Alto was sourced from the US Census
2.99M
Total Population
The total population for Palo Alto was sourced from the US Census

Area Codes Near Palo Alto, San Mateo, and Mountain View, California

Area Code 510
7,835,866 phone numbers
Oakland, Fremont, and Hayward
Area Code 341
640,000 phone numbers
Area Code 408
7,847,801 phone numbers
Area Code 415
7,834,965 phone numbers
Area Code 669
1,849,972 phone numbers
Area Code 628
1,474,995 phone numbers
Did you receive an unwanted call from a (650) phone number?
892 Records Found

Phone Number Prefixes in the 650 Area Code

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T-Mobile
San Mateo, CA
Sprint
San Bruno, CA
Utility Telephone
San Mateo, CA
Bandwidth.com
Mountain View, CA
Level 3
San Francisco, CA
USA Mobility
San Bruno, CA
Bandwidth.com
Redwood City, CA
Verizon Wireless
Redwood City, CA
Verizon Wireless
Redwood City, CA
U.S. Telepacific Corporation
San Jose, CA
AT&T California
Mountain View, CA
Unknown
--
AT&T California
San Mateo, CA
AT&T California
Palo Alto, CA
Verizon Business
Mountain View, CA
Global Crossing
Mountain View, CA
AT&T California
Redwood City, CA
USA Mobility
San Mateo, CA
Sprint
Brisbane, CA
Sprint
San Bruno, CA
American Messaging
San Mateo, CA
Network Services
Redwood City, CA
Sprint
San Mateo, CA
U.S. Telepacific Corporation
Palo Alto, CA
AT&T Mobility
Mountain View, CA
AT&T California
San Bruno, CA
Verizon Business
Redwood City, CA
XO Communications
San Mateo, CA
XO Communications
San Bruno, CA
XO Communications
Fremont, CA
XO Communications
Fremont, CA
XO Communications
Millbrae, CA
XO Communications
San Carlos, CA
AT&T California
Stanford, CA
AT&T California
Stanford, CA
Verizon Business
San Mateo, CA
AT&T California
Palo Alto, CA
AT&T California
Mountain View, CA
Verizon Business
San Bruno, CA
Unknown
Millbrae, CA
Pac-West Telecomm
San Mateo, CA
Level 3
Redwood City, CA
Level 3
San Mateo, CA
U.S. Telepacific Corporation
San Bruno, CA
AT&T California
San Bruno, CA
AT&T Mobility
San Mateo, CA
AT&T California
San Bruno, CA
Network Services
Palo Alto, CA
Sprint
Palo Alto, CA
Pac-West Telecomm
Redwood City, CA
Bandwidth.com
Palo Alto, CA
AT&T California
Palo Alto, CA
Peerless Network
Palo Alto, CA
Verizon Business
Mountain View, CA
AT&T California
Mountain View, CA
AT&T Mobility
San Bruno, CA
American Messaging
San Bruno, CA
Global Crossing
Redwood City, CA
Unknown
Palo Alto, CA
AT&T California
Millbrae, CA
Bandwidth.com
Redwood City, CA
AT&T California
Redwood City, CA
Level 3
Pescadero, CA
Onvoy
Moss Beach, CA
XO Communications
San Carlos, CA
Level 3
Mountain View, CA
AT&T California
San Bruno, CA
T-Mobile
San Francisco, CA
XO Communications
Pescadero, CA
Verizon Wireless
Palo Alto, CA
Sprint
San Bruno, CA
MetroPCS
San Francisco, CA
Verizon Wireless
Fremont, CA
Level 3
San Bruno, CA
Sprint
Brisbane, CA
XO Communications
Redwood City, CA
Level 3
Half Moon Bay, CA
33 Wireless
Redwood City, CA
T-Mobile
San Mateo, CA
Verizon Wireless
Mountain View, CA
Sprint
Mountain View, CA
Sprint
Brisbane, CA
XO Communications
Mountain View, CA
T-Mobile
Palo Alto, CA
T-Mobile
Half Moon Bay, CA
Bandwidth.com
Palo Alto, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
Verizon Wireless
San Mateo, CA
AT&T California
Palo Alto, CA
MetroPCS
Pacifica, CA
Verizon Wireless
San Bruno, CA
Level 3
San Mateo, CA
XO Communications
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T Mobility
San Bruno, CA
Onvoy
Pescadero, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
Onvoy
Palo Alto, CA
AT&T California
Daly City, CA
AT&T Mobility
Millbrae, CA
AT&T Mobility
San Bruno, CA
AT&T Mobility
Palo Alto, CA
T-Mobile
Los Altos, CA
AT&T California
Redwood City, CA
T-Mobile
Millbrae, CA
AT&T California
Palo Alto, CA
T-Mobile
Half Moon Bay, CA
Unknown
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Unknown
--
AT&T California
San Mateo, CA
Verizon Wireless
Palo Alto, CA
AT&T California
Mountain View, CA
Sprint
Brisbane, CA
AT&T
Mountain View, CA
USA Mobility
Mountain View, CA
Verizon Wireless
Mountain View, CA
XO Communications
Sunnyvale, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
Level 3
Palo Alto, CA
Bandwidth.com
Redwood City, CA
Sprint
San Bruno, CA
Onvoy
Palo Alto, CA
AT&T California
Mountain View, CA
Bandwidth.com
Mountain View, CA
Mosaic Networx
Pescadero, CA
T-Mobile
Half Moon Bay, CA
Verizon Wireless
San Carlos, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
Sprint
Brisbane, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
Global Crossing
San Francisco, CA
Level 3
Palo Alto, CA
Level 3
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Pacifica, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
Pacifica, CA
Onvoy
San Bruno, CA
AT&T California
Redwood City, CA
XO Communications
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
American Messaging
Palo Alto, CA
USA Mobility
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
Unknown
Palo Alto, CA
AT&T California
San Mateo, CA
Level 3
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
Onvoy
South San Francisco, CA
Verizon Wireless
Palo Alto, CA
AT&T California
Redwood City, CA
Bandwidth.com
Palo Alto, CA
Bandwidth.com
San Jose, CA
Level 3
Palo Alto, CA
AT&T
Redwood City, CA
AT&T
San Jose, CA
AT&T Mobility
Palo Alto, CA
Verizon Wireless
Palo Alto, CA
Comcast
San Mateo, CA
AT&T California
Mountain View, CA
AT&T Mobility
Palo Alto, CA
XO Communications
San Francisco, CA
Verizon Wireless
San Mateo, CA
Bandwidth.com
San Carlos, CA
Level 3
Redwood City, CA
XO Communications
Mountain View, CA
Level 3
Los Altos, CA
T-Mobile
San Mateo, CA
O1 Communications
Redwood City, CA
Verizon Wireless
Redwood City, CA
AT&T California
San Mateo, CA
T-Mobile
Half Moon Bay, CA
XO Communications
San Mateo, CA
AT&T California
Mountain View, CA
Unknown
Los Altos, CA
Network Services
Mountain View, CA
Onvoy
Palo Alto, CA
Network Services
San Mateo, CA
Bandwidth.com
San Francisco, CA
Onvoy
San Francisco, CA
XO Communications
San Carlos, CA
AT&T California
San Carlos, CA
Unknown
Redwood City, CA
Unknown
--
Mpower
San Francisco, CA
U.S. Telepacific Corporation
San Jose, CA
Verizon Wireless
San Mateo, CA
Level 3
La Honda, CA
Onvoy
Pacifica, CA
U.S. Telepacific Corporation
Redwood City, CA
Verizon Wireless
Palo Alto, CA
Pac-West Telecomm
Redwood City, CA
AT&T California
Palo Alto, CA
Verizon Business
San Mateo, CA
Verizon Business
Mountain View, CA
Verizon Business
Palo Alto, CA
AT&T California
Mountain View, CA
Verizon Business
Redwood City, CA
T-Mobile
San Mateo, CA
Onvoy
San Mateo, CA
AT&T California
San Mateo, CA
XO Communications
Palo Alto, CA
Bandwidth.com
Redwood City, CA
Verizon Wireless
San Mateo, CA
AT&T Mobility
San Francisco, CA
Bandwidth.com
San Mateo, CA
AT&T Mobility
San Bruno, CA
T-Mobile
Mountain View, CA
T-Mobile
Half Moon Bay, CA
T-Mobile
Palo Alto, CA
Unknown
San Francisco, CA
U.S. Telepacific Corporation
Millbrae, CA
Sprint
Palo Alto, CA
Verizon Wireless
San Mateo, CA
Bandwidth.com
Redwood City, CA
T-Mobile
Mountain View, CA
Verizon Wireless
Mountain View, CA
Bandwidth.com
San Francisco, CA
AT&T Mobility
Mountain View, CA
Bandwidth.com
San Francisco, CA
AT&T Mobility
San Francisco, CA
Global Crossing
San Carlos, CA
AT&T Mobility
Redwood City, CA
AT&T Mobility
Millbrae, CA
Unknown
Pescadero, CA
Onvoy
South San Francisco, CA
Astound Broadband
San Mateo, CA
Bandwidth.com
Half Moon Bay, CA
AT&T Mobility
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
Verizon Wireless
Redwood City, CA
Verizon Wireless
Redwood City, CA
AT&T California
San Francisco, CA
AT&T California
San Bruno, CA
Sprint
Palo Alto, CA
XO Communications
Los Altos, CA
AT&T California
Palo Alto, CA
T-Mobile
San Jose, CA
Level 3
Los Altos, CA
AT&T California
Palo Alto, CA
AT&T California
Redwood City, CA
XO Communications
Fremont, CA
T-Mobile
Half Moon Bay, CA
Verizon Wireless
San Mateo, CA
AT&T California
San Francisco, CA
Peerless Network
Half Moon Bay, CA
Verizon Business
Redwood City, CA
Verizon Business
Redwood City, CA
AT&T California
Redwood City, CA
AT&T Mobility
San Mateo, CA
T-Mobile
San Mateo, CA
Level 3
Palo Alto, CA
AT&T California
San Carlos, CA
Onvoy
La Honda, CA
Level 3
San Francisco, CA
Bandwidth.com
San Carlos, CA
AT&T Mobility
Millbrae, CA
Level 3
San Bruno, CA
Level 3
Mountain View, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
T-Mobile
Mountain View, CA
AT&T California
Palo Alto, CA
Level 3
Palo Alto, CA
Level 3
Palo Alto, CA
Verizon Wireless
Mountain View, CA
Network Services
San Carlos, CA
Unknown
San Francisco, CA
Onvoy
San Francisco, CA
Bandwidth.com
Redwood City, CA
AT&T Mobility
San Mateo, CA
AT&T Mobility
Palo Alto, CA
AT&T California
San Carlos, CA
AT&T Mobility
Palo Alto, CA
AT&T California
San Carlos, CA
Sprint
Palo Alto, CA
Unknown
--
Unknown
--
AT&T Mobility
Palo Alto, CA
AT&T California
San Mateo, CA
Unknown
San Mateo, CA
Verizon Wireless
San Bruno, CA
U.S. Telepacific Corporation
Pacifica, CA
U.S. Telepacific Corporation
San Carlos, CA
MetroPCS
Los Altos, CA
Unknown
Palo Alto, CA
Sprint
Brisbane, CA
AT&T Mobility
Palo Alto, CA
AT&T California
San Mateo, CA
Onvoy
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Redwood City, CA
Bandwidth.com
Redwood City, CA
Unknown
Palo Alto, CA
YMax Communications
San Mateo, CA
Sprint
Brisbane, CA
AT&T Mobility
San Bruno, CA
Onvoy
Moss Beach, CA
Onvoy
San Francisco, CA
Sprint
Mountain View, CA
Unknown
Pescadero, CA
Level 3
San Mateo, CA
Unknown
South San Francisco, CA
Unknown
San Mateo, CA
Bandwidth.com
Redwood City, CA
U.S. Telepacific Corporation
San Jose, CA
Sprint
Brisbane, CA
North County Communications
Mountain View, CA
T-Mobile
Palo Alto, CA
Unknown
Redwood City, CA
AT&T California
San Mateo, CA
Verizon Business
Redwood City, CA
Bandwidth.com
Daly City, CA
AT&T California
San Carlos, CA
AT&T California
Millbrae, CA
AT&T California
San Bruno, CA
AT&T California
San Mateo, CA
Unknown
--
AT&T California
Redwood City, CA
AT&T California
Pacifica, CA
AT&T California
San Mateo, CA
AT&T California
Los Altos, CA
Peerless Network
Half Moon Bay, CA
AT&T California
Stanford, CA
AT&T California
Redwood City, CA
Unknown
Moss Beach, CA
AT&T California
Mountain View, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Mountain View, CA
AT&T California
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T Mobility
Palo Alto, CA
AT&T Mobility
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T California
San Mateo, CA
AT&T Mobility
San Bruno, CA
AT&T
San Mateo, CA
Unknown
Mountain View, CA
AT&T California
San Bruno, CA
AT&T California
Mountain View, CA
Level 3
San Carlos, CA
Unknown
Palo Alto, CA
Level 3
Redwood City, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
Pac-West Telecomm
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
Bandwidth.com
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
Redwood City, CA
Onvoy
Palo Alto, CA
Unknown
--
Unknown
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
XO Communications
Mountain View, CA
Unknown
--
AT&T California
San Carlos, CA
Unknown
San Francisco, CA
Unknown
Millbrae, CA
AT&T California
San Carlos, CA
Unknown
--
AT&T California
San Mateo, CA
Unknown
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
Palo Alto, CA
Pac-West Telecomm
Palo Alto, CA
AT&T Mobility
San Mateo, CA
AT&T California
San Carlos, CA
AT&T California
Palo Alto, CA
AT&T California
San Carlos, CA
AT&T California
Mountain View, CA
AT&T California
San Bruno, CA
AT&T California
Mountain View, CA
Unknown
--
AT&T California
San Mateo, CA
Verizon Business
San Carlos, CA
Unknown
San Mateo, CA
MetroPCS
Palo Alto, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Carlos, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
XO Communications
San Francisco, CA
AT&T California
San Carlos, CA
AT&T California
San Mateo, CA
American Messaging
San Mateo, CA
Unknown
San Carlos, CA
Level 3
Mountain View, CA
Sprint
San Mateo, CA
Unknown
Palo Alto, CA
AT&T Mobility
Palo Alto, CA
U.S. Telepacific Corporation
San Mateo, CA
Level 3
Palo Alto, CA
Unknown
Redwood City, CA
XO Communications
San Francisco, CA
Unknown
Redwood City, CA
Unknown
San Mateo, CA
Verizon Business
Millbrae, CA
AT&T California
Millbrae, CA
Verizon Business
Redwood City, CA
AT&T California
San Carlos, CA
AT&T California
San Mateo, CA
T-Mobile
Palo Alto, CA
Unknown
--
Unknown
Redwood City, CA
Unknown
--
T-Mobile
Half Moon Bay, CA
Unknown
--
Wide Voice
La Honda, CA
Unknown
Pacifica, CA
Unknown
Mountain View, CA
Verizon Wireless
Palo Alto, CA
Level 3
Palo Alto, CA
Bandwidth.com
San Mateo, CA
Unknown
Los Altos, CA
MetroPCS
Mountain View, CA
AT&T Mobility
Redwood City, CA
Unknown
South San Francisco, CA
Unknown
Millbrae, CA
Wide Voice
La Honda, CA
Unknown
--
Unknown
San Francisco, CA
Verizon Wireless
South San Francisco, CA
Unknown
South San Francisco, CA
Verizon Wireless
San Mateo, CA
MetroPCS
Redwood City, CA
T-Mobile
Los Altos, CA
U.S. Telepacific Corporation
Palo Alto, CA
Utility Telephone
Palo Alto, CA
Onvoy
Redwood City, CA
Bandwidth.com
Millbrae, CA
AT&T California
San Mateo, CA
T-Mobile
San Francisco, CA
Verizon Business
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T
San Francisco, CA
Verizon Wireless
Palo Alto, CA
AT&T California
Mountain View, CA
AT&T California
Millbrae, CA
AT&T
Mountain View, CA
AT&T California
Mountain View, CA
T-Mobile
Mountain View, CA
AT&T California
San Mateo, CA
AT&T California
Millbrae, CA
Unknown
Palo Alto, CA
Unknown
San Mateo, CA
Unknown
--
AT&T California
Redwood City, CA
Unknown
Palo Alto, CA
AT&T Mobility
San Mateo, CA
AT&T Mobility
Palo Alto, CA
Unknown
Mountain View, CA
Unknown
--
Unknown
--
Unknown
San Francisco, CA
AT&T Mobility
Palo Alto, CA
Unknown
--
Unknown
--
AT&T California
Half Moon Bay, CA
T-Mobile
Half Moon Bay, CA
AT&T Mobility
Palo Alto, CA
Unknown
San Mateo, CA
XO Communications
Redwood City, CA
Unknown
--
Unknown
Moss Beach, CA
Unknown
Moss Beach, CA
T-Mobile
Half Moon Bay, CA
Level 3
Palo Alto, CA
Verizon Wireless
Redwood City, CA
Level 3
Palo Alto, CA
Level 3
Palo Alto, CA
Level 3
Palo Alto, CA
AT&T California
Half Moon Bay, CA
Level 3
San Mateo, CA
AT&T California
Moss Beach, CA
Onvoy
Half Moon Bay, CA
Verizon Wireless
San Carlos, CA
Onvoy
San Francisco, CA
Verizon Wireless
Millbrae, CA
Bandwidth.com
San Francisco, CA
Unknown
Redwood City, CA
Bandwidth.com
San Francisco, CA
Level 3
Palo Alto, CA
AT&T California
San Bruno, CA
AT&T California
Pacifica, CA
AT&T California
Palo Alto, CA
AT&T Mobility
San Mateo, CA
Bandwidth.com
San Bruno, CA
AT&T California
San Bruno, CA
AT&T Mobility
Redwood City, CA
Unknown
Mountain View, CA
AT&T
San Francisco, CA
AT&T California
Daly City, CA
AT&T California
La Honda, CA
Wide Voice
La Honda, CA
Unknown
La Honda, CA
Onvoy
Half Moon Bay, CA
Unknown
--
AT&T California
Palo Alto, CA
Onvoy
San Mateo, CA
YMax Communications
Daly City, CA
AT&T California
Daly City, CA
AT&T California
Daly City, CA
AT&T California
Daly City, CA
AT&T California
Daly City, CA
Verizon Wireless
San Mateo, CA
Unknown
--
Bandwidth.com
San Bruno, CA
AT&T California
San Mateo, CA
Level 3
San Francisco, CA
Unknown
--
Unknown
--
AT&T Mobility
San Mateo, CA
Unknown
--
Unknown
--
Bandwidth.com
San Carlos, CA
Onvoy
Los Altos, CA
MetroPCS
Redwood City, CA
T-Mobile
Mountain View, CA
Verizon Wireless
San Mateo, CA
Unknown
--
Unknown
--
Sprint
Palo Alto, CA
Unknown
Millbrae, CA
Unknown
--
U.S. Telepacific Corporation
Redwood City, CA
AT&T California
Redwood City, CA
Bandwidth.com
San Mateo, CA
Unknown
Los Altos, CA
Unknown
--
Sprint
San Bruno, CA
Verizon Wireless
Palo Alto, CA
AT&T California
Redwood City, CA
AT&T Mobility
San Mateo, CA
Verizon Wireless
Palo Alto, CA
Unknown
Mountain View, CA
Unknown
--
Unknown
--
Unknown
--
Verizon Wireless
Mountain View, CA
AT&T California
San Bruno, CA
Wide Voice
La Honda, CA
AT&T Mobility
Palo Alto, CA
AT&T Mobility
South San Francisco, CA
AT&T
Palo Alto, CA
AT&T Mobility
Palo Alto, CA
Onvoy
Palo Alto, CA
AT&T
San Carlos, CA
AT&T California
San Carlos, CA
Unknown
--
AT&T Mobility
Palo Alto, CA
Unknown
--
Unknown
--
Unknown
--
AT&T California
San Bruno, CA
Unknown
--
U.S. Telepacific Corporation
San Jose, CA
Unknown
--
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
Sprint
Palo Alto, CA
Verizon Business
Sunnyvale, CA
Unknown
--
AT&T California
Redwood City, CA
Unknown
--
Unknown
--
Unknown
--
AT&T
San Francisco, CA
AT&T Mobility
San Francisco, CA
AT&T Mobility
Los Altos, CA
Unknown
--
Verizon Business
San Francisco, CA
Sprint
San Bruno, CA
AT&T California
San Bruno, CA
Unknown
--
AT&T California
San Bruno, CA
Onvoy
San Carlos, CA
Unknown
--
AT&T Mobility
San Carlos, CA
AT&T California
Palo Alto, CA
MetroPCS
San Bruno, CA
O1 Communications
San Bruno, CA
Level 3
Pescadero, CA
AT&T California
San Bruno, CA
AT&T California
Palo Alto, CA
AT&T California
Redwood City, CA
Unknown
--
Unknown
--
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
Unknown
San Mateo, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
Verizon Wireless
Palo Alto, CA
Unknown
--
AT&T California
Palo Alto, CA
AT&T Mobility
Redwood City, CA
AT&T California
Redwood City, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Stanford, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
AT&T California
Palo Alto, CA
Unknown
Pescadero, CA
T-Mobile
Mountain View, CA
AT&T Mobility
Palo Alto, CA
AT&T Mobility
San Mateo, CA
AT&T California
Mountain View, CA
Verizon Wireless
San Mateo, CA
AT&T California
San Bruno, CA
AT&T Mobility
San Mateo, CA
AT&T Mobility
Redwood City, CA
AT&T California
San Bruno, CA
Pac-West Telecomm
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
San Bruno, CA
AT&T California
Daly City, CA
AT&T California
Pescadero, CA
Bandwidth.com
Mountain View, CA
Unknown
Pescadero, CA
Unknown
Pescadero, CA
Unknown
--
Unknown
--
Verizon Wireless
Palo Alto, CA
Unknown
--
Pac-West Telecomm
Los Altos, CA
AT&T Mobility
San Mateo, CA
T-Mobile
Half Moon Bay, CA
Unknown
--
Unknown
--
AT&T Mobility
San Bruno, CA
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Onvoy
Moss Beach, CA
T-Mobile
Pacifica, CA
Pac-West Telecomm
La Honda, CA
Onvoy
San Jose, CA
Unknown
--
Unknown
--
AT&T California
Mountain View, CA
Unknown
--
Unknown
--
Sprint
Palo Alto, CA
Unknown
--
Unknown
--
Unknown
--
Unknown
San Francisco, CA
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
AT&T California
Los Altos, CA
Bandwidth.com
San Mateo, CA
AT&T California
Mountain View, CA
Unknown
--
MetroPCS
San Mateo, CA
Verizon Wireless
San Bruno, CA
Unknown
--
Bandwidth.com
Palo Alto, CA
Unknown
--
AT&T California
Stanford, CA
Unknown
--
Unknown
--
Unknown
--
Verizon Business
Sunnyvale, CA
U.S. Telepacific Corporation
San Mateo, CA
AT&T California
Mountain View, CA
Verizon Wireless
Mountain View, CA
AT&T California
Mountain View, CA
Bandwidth.com
Los Altos, CA
Unknown
--
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
Unknown
--
AT&T California
Mountain View, CA
AT&T California
Los Altos, CA
T-Mobile
Millbrae, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
Unknown
--
Comcast
Los Altos, CA
AT&T California
Los Altos, CA
AT&T California
Los Altos, CA
AT&T California
Los Altos, CA
Unknown
--
Unknown
--
AT&T California
San Bruno, CA
Unknown
--
Sprint
Brisbane, CA
Unknown
Half Moon Bay, CA
Unknown
--
Unknown
--
Unknown
--
Unknown
--
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
Pac-West Telecomm
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
AT&T California
Mountain View, CA
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
--
Unknown
Pacifica, CA
Unknown
--
Unknown
--
XO Communications
Redwood City, CA
Unknown
--
Unknown
--
Unknown
--
Peerless Network
Pacifica, CA
AT&T California
Daly City, CA
Unknown
--
Unknown
--
AT&T California
Mountain View, CA
Level 3
Half Moon Bay, CA
Unknown
--
AT&T California
Daly City, CA
AT&T California
Daly City, CA
YMax Communications
Pacifica, CA
AT&T California
Daly City, CA
AT&T Mobility
Redwood City, CA
AT&T Mobility
Mountain View, CA
AT&T California
Daly City, CA
Unknown
--
Onvoy
Palo Alto, CA

Other Area Codes