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Area Code 510

Where does the 510 area code belong?

STATE
California
TIME ZONE
Pacific Time
MAJOR CITY
Oakland

The 510 Area Code (or Area Code 510) is located in the state of CA. Area Code 510 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.42 million unique phone numbers and 7.86 million individuals near the city of Hayward

Area Code 510 History

Area code 510 was put into service. Area code 510 was created from a split of area code 415. In 1998 area code 510 was split to form area code 925.

Following cities also use area code 510:

Alameda, Albany, Berkeley, Crockett, El Sobrante, Fremont, Hayward, Hercules, Oakland, Richmond, San Francisco, San Jose, San Leandro, Sunnyvale, Union City, Walnut Creek.

ZIP codes in Area Code 510:

90001 (Los Angeles)
90002 (Los Angeles)
90003 (Los Angeles)
90004 (Los Angeles)
90005 (Los Angeles)
90006 (Los Angeles)
90007 (Los Angeles)
90008 (Los Angeles)
90009 (Los Angeles)
90010 (Los Angeles)

Big city in area code 510

Oakland

COUNTY
Alameda
POPULATION
392,681
Fremont

COUNTY
Alameda
POPULATION
220,411
Hayward

COUNTY
Alameda
POPULATION
182,295
Berkeley

COUNTY
Alameda
POPULATION
122,077
Source: WorldAtlas.com
NUMBER OF PREFIXES
779
NUMBER OF CELLPHONES
644,855
NUMBER OF LAND LINES
1,284,353
MEDIAN HOME VALUE
$453K
MEDIAN INCOME
$75.8K
Source: WorldAtlas.com

Browse Area Code (510) Prefixes

PREFIX COUNTY CITY CARRIER TYPE
510-913 Alameda Oakland Cellco Partnership Dba Verizon Wireless - CA Wireless
510-914 Alameda Oakland Cellco Partnership Dba Verizon Wireless - CA Wireless
510-915 Alameda Oakland Cellco Partnership Dba Verizon Wireless - CA Wireless
510-917 Alameda Oakland Cellco Partnership Dba Verizon Wireless - CA Wireless
510-918 Alameda Oakland New Cingular Wireless Pcs, Llc Wireless
510-919 Alameda Oakland Cellco Partnership Dba Verizon Wireless - CA Wireless
510-921 Alameda Hayward Teleport Communications Group - San Francisco Landline
510-922 Alameda Oakland Pacific Bell Landline
510-923 Alameda Oakland Pacific Bell Landline
510-924 Alameda Oakland Global Crossing Local Services, Inc.-Ca Landline
510-926 Alameda Oakland Cellco Partnership Dba Verizon Wireless - CA Landline
510-927 Alameda Oakland Global Crossing Local Services, Inc.-Ca Landline
510-928 Alameda Oakland New Cingular Wireless Pcs, Llc Wireless
510-931 Alameda Hayward O1 Communications, Inc. - CA Landline
510-932 San Francisco San Francisco Sprint Spectrum L.p. Wireless
510-933 Santa Clara San Jose U.s. Telepacific Corp. - CA Landline
510-936 Alameda Fremont Pacific Bell Landline
510-938 Alameda Fremont Metro Pcs, Inc. Wireless
510-940 Alameda Hayward Mpower Communications Corp - CA Landline
510-943 Alameda Fremont Level 3 Telecom Of California, Lp - CA Landline
510-948 Contra Costa Hercules Xo California, Inc. Landline
510-952 Alameda Union City Sprint Spectrum L.p. Wireless
510-957 San Francisco San Francisco Allegiance Telecom, Inc. - CA Landline
510-962 Alameda Hayward Level 3 Communications, Llc - CA Landline
510-964 Contra Costa El Sobrante Pacific Bell Landline
510-965 Contra Costa Richmond Pacific Bell Landline
510-966 Alameda Union City American Messaging Services, Llc Wireless
510-967 San Francisco San Francisco Sprint Spectrum L.p. Wireless
510-968 Alameda Fremont American Messaging Services, Llc Wireless
510-969 Alameda Oakland Level 3 Telecom Of California, Lp - CA Landline
510-970 Contra Costa Richmond Pacific Bell Landline
510-972 Alameda Union City Comcast Phone Of California, Llc - CA Landline
510-976 San Francisco San Francisco North County Communications Corp. - CA
510-978 Alameda Oakland Level 3 Communications, Llc - CA Landline
510-979 Alameda Fremont Pacific Bell Landline
510-981 Alameda Berkeley Pacific Bell Landline
510-982 San Francisco San Francisco Mci Worldcom Communications, Inc., CA Landline
510-984 Alameda Oakland Level 3 Communications, Llc - CA Landline
510-985 Alameda Oakland Pacific Bell Landline
510-986 Alameda Oakland Pacific Bell Landline
510-987 Alameda Oakland Pacific Bell Landline
510-990 San Francisco San Francisco Cf Communications, Llc Dba Telekenex - CA Landline
510-991 Alameda Union City Matrix Telecom, Llc. Sii Tnci - CA Landline
510-992 Alameda Oakland Matrix Telecom, Llc. Sii Tnci - CA Landline
510-995 Alameda Oakland U.s. Telepacific Corp. - CA Landline
510-996 Alameda Fremont Global Crossing Local Services, Inc.-Ca Landline
510-997 Alameda Oakland American Messaging Services, Llc Wireless
510-999 Alameda Hayward Cf Communications, Llc Dba Telekenex - CA Landline
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Phone Numbers Starting With (510) Area Code

Phone Number
510-738-3275		 USAGE
Landline		 City
Hayward		 Operate
Read more about who called from 5107383275		 Update Time
Mar-26-2026
Phone Number
510-340-9029		 USAGE
Wireless		 City
Hayward		 Operate
Read more about who called from 5103409029		 Update Time
Mar-26-2026
Phone Number
510-224-2019		 USAGE
Wireless		 City
Hercules		 Operate
Read more about who called from 5102242019		 Update Time
Mar-26-2026
Phone Number
510-561-6012		 USAGE
Wireless		 City
Hercules		 Operate
Read more about who called from 5105616012		 Update Time
Mar-26-2026
Phone Number
510-564-2888		 USAGE
Landline		 City
San Francisco		 Operate
Read more about who called from 5105642888		 Update Time
Mar-26-2026
Phone Number
510-892-4463		 USAGE
Landline		 City
Hayward		 Operate
Read more about who called from 5108924463		 Update Time
Mar-26-2026
Phone Number
510-936-6285		 USAGE
Landline		 City
Fremont		 Operate
Read more about who called from 5109366285		 Update Time
Mar-26-2026
Phone Number
510-244-1150		 USAGE
Landline		 City
Hayward		 Operate
Read more about who called from 5102441150		 Update Time
Mar-26-2026
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