Area Code 650

California (CA) • Palo Alto, Redwood City, San Mateo, Mountain View, Los Altos, Atherton, Belmont, Burlingame • Pacific Time (PT)

What Stands Out

•Coverage: 906.1K people across 38 ZIP codes (primarily San Mateo County, CA).
•Major cities: Palo Alto, Redwood City, San Mateo.

Spotlight: Coverage

Snapshot highlights for area code 650.

Income

98th

Home values

99th

Poverty rate

28th

Area Code Basics

Primary State

California (CA)

States Served

California (CA)

Major Cities

Palo Alto, Redwood City, San Mateo, Mountain View, Los Altos, Atherton, Belmont, Burlingame

Time Zone(s)

Pacific Time (PT)

Est. Population

906.1K

ZIP Codes

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area-code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.