What is the 510 Area Code?

Oakland, CA
Safety Rating: MODERATE

The 510 area code serves Oakland, CA and surrounding areas. Established in 1947, it covers Oakland, Berkeley, Alameda, San Leandro, Hayward.

Legitimate Callers from 510

Government

Social Security Administration

Benefits and verification calls

Verify Caller
Official Prefix: 800-772

Internal Revenue Service

Tax-related communications

Verify Caller
Official Prefix: 800-829

Utilities

Service and billing notifications

Healthcare

Appointment reminders and follow-ups

Timezone

Pacific Time Zone (PT)

Risk Level

5.2/10

2023 Scams

3057

Population

Approximately 1.2 million

Regional Information

Major Cities

  • Oakland
  • Berkeley
  • Alameda
  • San Leandro
  • Hayward

Major Employers

  • Kaiser Permanente
  • Wells Fargo
  • University of California, Berkeley

Local Authorities

  • Police: Oakland Police Department: (510) 238-3326
  • Consumer Protection: Alameda County District Attorney's Office: (510) 272-6100
  • Fraud Unit: Oakland Police Department Fraud Unit: (510) 238-7916

Active Scam Alerts

No active scam alerts at this time.

Safety Resources

How to Report Scams

Immediate Steps:

  • Document the call details
  • Report to FTC at ftc.gov/complaint
  • Contact local authorities
  • Alert your bank if needed

Follow-up Actions:

  • File written complaint
  • Monitor credit reports
  • Join Do Not Call Registry
  • Share alert with community

Local Support

Oakland Consumer Protection Office