510 Area Code Location, Time Zone, Map, Numbers

510 Area Code Map

State: California

Major City: Oakland

Timezone: Pacific

Area Code: 510

Standard Time Zone: GMT -8 hours

Current Time: 5:18:08 am

What area code is 510? Area code 510 is a telephone area code in the North American Numbering Plan, which was actually created in 1991 as a split from area code 415. 510 area code serves the majority of the East Bay in California, including Oakland, Fremont, and portions of Western Alameda County and Contra Costa County, but excluding Livermore, Dublin, Sunol and Pleasanton which are covered by nearby area code 925. Other larger cities that are covered by 510 are Albany, Berkeley, Castro Valley, El Sobrante, El Cerrito, Emeryville, Hayward, Newark, Hercules, Pinole, Piedmont, Rodeo, San Pablo, Richmond, San Leandro, San Lorenzo, Union City, Port Costa, and more.

In 2019, the California Public Utilities Commission approved the addition of a new overlay area code in order to meet the demand for new telephone numbers in that region. 341 area code was added as an overlay to 510 and became available on July 22, 2019. Prior to 2019, 510 was one of the few popular area codes without an overlay code, which made Oakland one of the few big cities where seven-digit dialing was still a thing. However, since 22 June 2019, ten-digit dialing became compulsory in the East Bay. This area code lies within the Pacific Time Zone.

Is 510 area code legitimate?

510 is a legitimate area code that covers much of the East Bay, California including the cities of Oakland, Alameda, Hayward, and Fremont. But that doesn’t mean that scammers won’t be able to use area code 510 to trick people. Fraudsters nowadays use call spoofing technology to conceal the real number they’re calling from and their true identity, so that the call appears to be from a local area code such as 510. If you want to avoid such scam calls, don’t answer numbers you don’t recognize.

Where is the area code 510 from?

510 country code was officially put into service on September 2, 1991, in a split from 415 area code. As we mentioned above, 510 covers regions of Contra Costa and Alameda Counties, including cities of Oakland, Fremont, and Hayward. On March 4, 1998, the inland part of East Bay was split off into area code 925 which covered the cities of Dublin, Sunol, Pleasanton, Brentwood, Livermore, San Ramon, and more. Since 510 has exhausted all possible 510 numbers in this area code, an overlay area code has been added. In 2019, 341 area code was established and added as an overlay to this area code.

510 Area Code Map

Here is the map for the area code 510 which covers East Bay, California.

How can I get a 510 number?

510 is the area code for Oakland, which is the largest city and eighth-most populated city in California. Oakland is also the 45th most populated city in the United State and quite possibly the only city in the world that has a natural saltwater lake within its city limits. Oakland is also the most ethnically diverse city in California and over 125 languages and dialects are spoken in the city. Many famous businesses have established their headquarters in this area code, including Pandora, Blue Bottle Coffee, Dreyer’s, The Clorox Company, and more.

So, if you’re thinking of starting a business in Oakland because of the amazing 510 area code location, you’ll most certainly need a telephone number area code 510. By utilizing a local number, you can easily build a local presence and earn the trust of your potential customers. Due to the high cost of international long-distance calls, many customers are far more likely to call a local phone number. These are just some of the benefits of having a 510 number, so if you want to get one, check with your phone service provider for details.

How do I block unwanted 510 calls?

Your telephone rings and caller ID shows a 510 number? Even though it appears that the call is coming from East Bay, California, you need to be careful because many fraudsters fake caller ID information to deceive people and make them believe they’re someone local. They know that people are more likely to answer if they disguise their true name and number, and when they do, they will ask for their personal information to try and steal their identity or money.

In order to avoid paying expensive toll charges per minute, if you receive an unexpected 510 area code text or call, don’t answer it. And if you happen to answer it, just hang up immediately. You can always contact your phone company and get information about some free or paid call blocking tools or apps that can keep those unwanted calls from 510 area code at bay.