6 days ago · 657 Area Code located in California, including 19 cities, 2 counties, 1 time zone, map, Census demographics, and 565 active prefixes.

Area codes 657 and 714 are shown in red. Area codes 714 and 657 are telephone area codes in the North American Numbering Plan (NANP) for the southern part of the U.S. state of California.

Browse area code 657 phone numbers, prefixes and exchanges. The 657 area code serves Los Angeles, Santa Ana, Torrance, Ontario, Anaheim, covering 16 ZIP codes in 4 counties.

Feb 11, 2009 · Find 657 area code details including city, time zone, and map. Lookup area code 657 phone number, name, and location.

3 days ago · 657 is an area code located in the state of California, US. The largest city it serves is Anaheim. Find out where 657 area code zone from, which states, counties and cities it covers. Get …

6 days ago · The 657 area code is a telephone area code in the North American Numbering Plan (NANP) for the state of California. It serves parts of Orange County, including the cities of Anaheim, …

Dec 11, 2025 · The 657 area code was introduced in 2008 as a split from the 714 area code in Southern California. The area code primarily serves parts of Orange County, including several thriving cities …

Area code 657 is located in California. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

Nov 19, 2025 · The 657 area code covers the cities of Anaheim, Santa Ana, and Fullerton. All of these cities are positioned within Orange County, California, a place that is synonymous with affluence and …

Area code 657 serves Anaheim and much of northern and western Orange County, California, as an overlay to the long-standing 714 area code. Introduced in 2008, this overlay supports one of the …