858 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com
https://www.zip-codes.com/area-code/area-code-858.asp
WebApr 1, 2024 · Area Code 858 is located in California. It covers 16 cities, including San Diego, Chula Vista, El Cajon, La Mesa, and Poway. It also covers 1 county, San Diego County. A full list of covered cities and counties is below including its prefix and population coverage. The 858 Area Code Map above shows the geographic region it covers.
DA: 46 PA: 72 MOZ Rank: 44