Area Code 831

California (CA) • Salinas, Santa Cruz, Monterey, Aptos, Aromas, Ben Lomond, Big Sur, Boulder Creek • Pacific Time (PT)

What Stands Out

•Coverage: 762.7K people across 49 ZIP codes.
•Major cities: Salinas, Santa Cruz, Monterey.

Spotlight: Coverage

Snapshot highlights for area code 831.

Income

83rd

Home values

96th

Poverty rate

56th

Area Code Basics

Primary State

California (CA)

States Served

California (CA)

Major Cities

Salinas, Santa Cruz, Monterey, Aptos, Aromas, Ben Lomond, Big Sur, Boulder Creek

Time Zone(s)

Pacific Time (PT)

Est. Population

762.7K

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.