Area code 408 was split from numbering plan area 415 in a flash-cut (without permissive dialing period) on March 1, 1959. The new numbering plan area included most of Santa Clara, Santa Cruz, …

Browse area code 408 phone numbers, prefixes and exchanges. The 408 area code serves San Jose, Santa Clara, Oakland, San Francisco, Fairfield, covering 35 ZIP codes in 6 counties.

Dec 1, 2025 · 408 Area Code located in California, including 17 cities, 5 counties, 1 time zone, map, Census demographics, and 744 active prefixes.

Find 408 area code details including city, time zone, and map. Lookup area code 408 phone number, name, and location.

Area code 408 is located in California. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

About area code 408: location, common spam callers, related area codes, and more. Includes 408 reverse phone lookup to identify spam callers.

Jun 12, 2025 · Learn what area code 408 covers, its location, and why businesses use 408 phone numbers. Discover features, benefits, and how to get yours easily.

3 days ago · Find out where 408 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here

Nov 22, 2025 · Area code 408 covers the entire area covering San Jose, as well as most of Santa Clara County. Created in 1959, the 498 area code has a long history in the region.

Fixed phone numbers in the United States, state California (area code 408) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line …