Establish a local presence by purchasing a phone number in area code 858. Phone numbers in area code 858 are associated with the state of California. There are currently at least 1 U.S. cities and 32 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 858.
Phone numbers in area code 858 are associated with the state of California.
The 858 area code currently has at least 1 cities in California associated with it: and Poway, CA.
There are at least 32 U.S. ZIP codes associated with the area code 858 at this time (view all here).
The ZIP Code 92126 is the ZIP Code most frequently connected to the 858 area code. The 92126 ZIP Code is primarily associated with San Diego County in the state of California.
There are 1 counties associated with the 858 area code: San Diego 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. (858)-400-xxxx.
Detailed information about area code 858 phone numbers. Establish a California presence with a 858 number.