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Area Code 650

What is the 650 area code?

State California
Time Zone Pacific
Country US

The 650 area code is located in the state of California, and according to Intelius data, covers roughly 619,191 phone numbers and 850,032 listings across 723 prefixes.

This is a General Purpose Code, in service since August 2, 1997.

Area code 650 was split from area code 415.

Local and long-distance calls within area code 650 both require 1 plus 10 digits dialing.

Have you received a call from a number with a 650 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.

Counties in the (650) area code

  1. San Mateo County
    County Population (2025) 743,568
    Principal Places
    • Brisbane
    • Hillsborough
    • Colma
    • Daly City
    • La Honda
    Zips
    • 94005
    • 94010
    • 94011
    • 94014
    • 94015
    • 94016
    • 94023
    • 94401
    • 94402
  2. Santa Clara County
    County Population (2025) 1,914,391
    Principal Places
    • Los Altos
    Zips
    • 94022
    • 94024

Cities in the (650) area code

  • Brisbane
  • Colma
  • Daly City
  • Hillsborough
  • La Honda
  • Los Altos
  • Russian River
  • San Mateo

650 Stats

Number of Prefixes
723
Numbers
619,191
Listings
850,032

Area Code (650) Prefixes

Prefix
Numbers
Listings
Numbers 90
Listings 112
Numbers 1,102
Listings 1,623
Numbers 779
Listings 1,086
Numbers 173
Listings 232
Numbers 171
Listings 179
Numbers 1,062
Listings 1,364
Numbers 24
Listings 28
Numbers 79
Listings 98
Numbers 66
Listings 83
Numbers 186
Listings 224

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