Establish a local presence by purchasing a phone number in area code 510. Phone numbers in area code 510 are associated with the state of California. There are currently at least 13 U.S. cities and 67 U.S. ZIP Codes associated with this telephone area code. In addition, there are at least 800 NXX's (the three-digit code that makes up digits 4-6 of a standard 10-digit U.S. phone number) available for use along with area code 510.
Phone numbers in area code 510 are associated with the state of California.
The 510 area code currently has at least 13 cities in California associated with it: Alameda, CA; Berkeley, CA; Castro Valley, CA; El Cerrito, CA; Fremont, CA; Hayward, CA; Newark, CA; Oakland, CA; Richmond, CA; San Leandro, CA; San Lorenzo, CA; San Pablo, CA; and Union City, CA.
There are at least 67 U.S. ZIP codes associated with the area code 510 at this time (view all here).
The ZIP Code 94112 is the ZIP Code most frequently connected to the 510 area code. The 94112 ZIP Code is primarily associated with City and County of San Francisco County in the state of California.
There are 4 counties associated with the 510 area code: Alameda County; City and County of San Francisco; Contra Costa; Santa Clara County.
An NXX, which is also known as the a "central office code" or an "exchange", is the three-digit sequence that comprises digits 4-6 of a standard 10-digit U.S. phone number. The NXX is the second main part of a phone number that comes directly after the area code, e.g. (510)-510-xxxx.
Detailed information about area code 510 phone numbers. Establish a California presence with a 510 number.