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US area code · California

Area code 707

Where the 707 area code is, its overlay and how to dial a +1 707 number from anywhere.

CoversBenicia, CaliforniaTime zonePacific (PT)TypeOverlay
Quick answer

The 707 area code is in Benicia, California, United States (Pacific (PT)). To call from abroad: +1 707 555-0123. It is an overlay, so all 10 digits are dialled.

StateCalifornia
Main areaBenicia
Time zonePacific (PT)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1959

The 707 area code is a geographic North American Numbering Plan (NANP) code covering Benicia, California. It has been in service since 01-Jan-1959 and sits in the Pacific (PT) time zone.

Overlay 707 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

707369415

How to dial a 707 number

From abroad+1 707 555-0123
Within the US / Canada1 707 555-0123
Locally (same area)707 555-0123

Cities in the 707 area code

A 707 number is usually in one of these places in California — 4 counties.

Benicia SolanoEureka HumboldtFairfield SolanoNapa NapaPetaluma SonomaRohnert Park SonomaSanta Rosa SonomaSuisunVacaville SolanoVallejo SolanoWindsor Sonoma

Other California area codes

209213279310323341350357369408415424442510530559

Frequently asked questions

Where is the 707 area code?

The 707 area code is in Benicia, California, United States (Pacific (PT)).

Is 707 an overlay area code?

Yes. 707 overlays the same region as 369, 415, so callers dial all 10 digits.

Do I have to dial 10 digits for 707?

Yes — dial the area code plus the seven-digit number.

How do I call a 707 number from another country?

Dial your exit code (or +), then 1, then 707, then the number: +1 707 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 707 number does not pinpoint a street or ZIP code.

Missed a call from +1 707?

In the 30 days to September 24, 2026, 1,087 unwanted calls showing a 707 number were reported to the US Federal Trade Commission, 67% of them recorded messages or robocalls. That puts 707 at #34 of 670 area codes reported.

Other379
Reducing your debt (credit cards, mortgage, student loans)333
Dropped call or no message90
Warranties & protection plans89
Before you call back
  • If you do not know anyone in California, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 707 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 707 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 707:

Pacific Bell 225Onvoy, LLC 96New Cingular Wireless PCS, LLC 67Level 3 Communications, LLC 58Cellco Partnership Dba Verizon Wireless 55T-Mobile USA, Inc. 31

About 19.3% of the 800 prefixes in use belong to mobile carriers: a 707 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 707 — cities & rate centres