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What area code is 510? The area code 510 is in California and it serves Oakland, Fremont, Hayward, Berkeley, Richmond, San Leandro, Alameda, Union City, and some other surrounding cities. The area code 510 was created on April 25, 1990 and was first put to use on September 2, 1991.

The top counties being served by the 510 area code are Alameda County, and Contra Costa County.

The major cities under each of these counties that are being served by the 510 area code are listed below:

Alameda County

The cities within Alameda County that are served by the 510 area code include Alameda, Alameda, Albany, Berkeley, Castro Valley, Emeryville, Fremont, Hayward, Newark, Oakland, Piedmont, San Leandro, San Lorenzo, and Union City.

Contra Costa County

The cities within Contra County that are served by the 510 area code include Berkeley, Crockett, El Cerrito, El Sobrante, Hercules, Pinole, Port Costa, Richmond, Rodeo, and San Pablo.

 

510 Area Code Time Zone

What time zone is 510 Area Code? The time zone in the 510 area code is the Pacific time zone which is abbreviated as PST. That is America/Los Angeles time zone. The pacific standard time is UTC/GMT -8:00 hours while the pacific daylight saving time is +1:00 hour.

Significance of 510 Area Code

I don’t know if you notice that there is a three-digit number that precedes a telephone number any time you receive a call from your cell phone. Any time you see the three-digit code 510, it suggests that the call comes from any of the cities or counties listed above. However, there may be an exemption to this. With the use of mobile phone or roaming phone feature, the caller may not necessarily be at any of these cities or counties at the time of calling.

Nevertheless, knowing the counties and cities that the 510 area code covers can guide you when to call a particular person. This is because the person you want to call may be in a time zone that is different from your own.

 

Telephone Carriers in 510 Area Code

If you want to get a wireless telephone within the 510 area code, the popular wireless telephone carriers that you can approach include Verizon Wireless, New Cingular Wireless, Sprint, USA Mobility Wireless, American Messaging (am), T-mobile, Metro PCS, 33 Wireless, Level 3 Communications, American Messaging Services, and The Telephone Connection Local Services.

For landline, popular carriers are Pacific Bell, Teleport Comms Group – San Francisco, Bandwidth.com, Pac – West Telecomm, Xo Comms, Mcimetro Access Transmission Services, Mpower, Peerless Network, Mci Worldcom Comms, Allegiance Telecom, Tw Telecom of California, Broadwing Comms, Level 3 Communications, 01 Comms, Comcast Phone, Brooks Fiber Comms, Utility Telephone, Global Crossing Local Services, U.S. Telepacific Corp, MCI Metro ATS, Telekenex, North County Comms Corp, Paetec Comms, and Sbc Internet Services.

 

Zip Codes in 510 Area Code

City	County	State	Area Code	Zip Code
Alameda	Alameda	California	510	94502
Alameda	Alameda	California	510	94501
Albany	Alameda	California	510	94706
Berkeley	Alameda	California	510	94704
Berkeley	Alameda	California	510	94705
Berkeley	Contra Costa	California	510	94708
Berkeley	Alameda	California	510	94709
Berkeley	Alameda	California	510	94710
Berkeley	Alameda	California	510	94720
Berkeley	Alameda	California	510	94703
Berkeley	Alameda	California	510	94707
Berkeley	Alameda	California	510	94702
Berkeley	Alameda	California	510	94712
Berkeley	Alameda	California	510	94701
Castro Valley	Alameda	California	510	94546
Castro Valley	Alameda	California	510	94552
Crockett	Contra Costa	California	510	94525
El Cerrito	Contra Costa	California	510	94530
El Sobrante	Contra Costa	California	510	94803
El Sobrante	Contra Costa	California	510	94820
Emeryville	Alameda	California	510	94608
Emeryville	Alameda	California	510	94662
Fremont	Alameda	California	510	94536
Fremont	Alameda	California	510	94538
Fremont	Alameda	California	510	94539
Fremont	Alameda	California	510	94555
Fremont	Alameda	California	510	94537
Hayward	Alameda	California	510	94541
Hayward	Alameda	California	510	94542
Hayward	Alameda	California	510	94544

 

Hayward	Alameda	California	510	94545
Hayward	Alameda	California	510	94543
Hayward	Alameda	California	510	94557
Hayward	Alameda	California	510	94540
Hercules	Contra Costa	California	510	94547
Newark	Alameda	California	510	94560
Oakland	Alameda	California	510	94612
Oakland	Alameda	California	510	94619
Oakland	Alameda	California	510	94601
Oakland	Alameda	California	510	94602
Oakland	Alameda	California	510	94605
Oakland	Alameda	California	510	94606
Oakland	Alameda	California	510	94611
Oakland	Alameda	California	510	94613
Oakland	Alameda	California	510	94603
Oakland	Alameda	California	510	94607
Oakland	Alameda	California	510	94609
Oakland	Alameda	California	510	94618
Oakland	Alameda	California	510	94621
Oakland	Alameda	California	510	94610
Oakland	Alameda	California	510	94624
Oakland	Alameda	California	510	94614
Oakland	Alameda	California	510	94666
Oakland	Alameda	California	510	94622
Oakland	Alameda	California	510	94617
Oakland	Alameda	California	510	94660
Oakland	Alameda	California	510	94623
Oakland	Alameda	California	510	94604
Oakland	Alameda	California	510	94661
Oakland	Alameda	California	510	94615

 

Oakland	Alameda	California	510	94649
Oakland	Alameda	California	510	94659
Piedmont	Alameda	California	510	94620
Pinole	Contra Costa	California	510	94564
Port Costa	Contra Costa	California	510	94569
Richmond	Contra Costa	California	510	94804
Richmond	Contra Costa	California	510	94805
Richmond	Contra Costa	California	510	94801
Richmond	Contra Costa	California	510	94850
Richmond	Contra Costa	California	510	94808
Richmond	Contra Costa	California	510	94807
Richmond	Contra Costa	California	510	94802
Rodeo	Contra Costa	California	510	94572
San Leandro	Alameda	California	510	94577
San Leandro	Alameda	California	510	94578
San Leandro	Alameda	California	510	94579
San Lorenzo	Alameda	California	510	94580
San Pablo	Contra Costa	California	510	94806
Union City	Alameda	California	510	94587

Area Code

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