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US area code · California

Area code 415

Where the 415 area code is, its overlay and how to dial a +1 415 number from anywhere.

CoversSan Francisco, CaliforniaTime zonePacific (PT)TypeOverlay
Quick answer

The 415 area code is in San Francisco, California, United States (Pacific (PT)). To call from abroad: +1 415 555-0123. It is an overlay, so all 10 digits are dialled.

StateCalifornia
Main areaSan Francisco
Time zonePacific (PT)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1947

The 415 area code is a geographic North American Numbering Plan (NANP) code covering San Francisco, California. It has been in service since 01-Jan-1947 and sits in the Pacific (PT) time zone.

Overlay 415 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.

415628

How to dial a 415 number

From abroad+1 415 555-0123
Within the US / Canada1 415 555-0123
Locally (same area)415 555-0123

Cities in the 415 area code

A 415 number is usually in one of these places in California — 2 counties.

Novato MarinSan Anselmo MarinSan Rafael MarinSouth San Francisco San Mateo

Other California area codes

209213279310323341350357369408424442510530559562

Frequently asked questions

Where is the 415 area code?

The 415 area code is in San Francisco, California, United States (Pacific (PT)).

Is 415 an overlay area code?

Yes. 415 overlays the same region as 628, so callers dial all 10 digits.

Do I have to dial 10 digits for 415?

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

How do I call a 415 number from another country?

Dial your exit code (or +), then 1, then 415, then the number: +1 415 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 415 number does not pinpoint a street or ZIP code.

Missed a call from +1 415?

In the 30 days to September 24, 2026, 525 unwanted calls showing a 415 number were reported to the US Federal Trade Commission, 65% of them recorded messages or robocalls. That puts 415 at #184 of 670 area codes reported.

Other216
Reducing your debt (credit cards, mortgage, student loans)150
Calls pretending to be government, businesses, or family and friends75
Dropped call or no message37
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 415 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 +1 415 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 415:

Pacific Bell 327New Cingular Wireless PCS, LLC 67Cellco Partnership Dba Verizon Wireless 48T-Mobile USA, Inc. 45Onvoy, LLC 40Mcimetro Access Transmission Services LLC 36

About 20.4% of the 800 prefixes in use belong to mobile carriers: a 415 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 415 — cities & rate centres