415 Area Code: San Francisco, California
From the North American Numbering Plan Administrator (NANPA), checked October 13, 2026.
415 is a San Francisco, California area code that also covers most of Marin County. It shares its area with 628.
Local 415 numbers available
None found
Twilio's number search found no local 415 numbers that can take calls, checked October 15, 2026. CallFlux buys its tracking numbers through Twilio. We run this search at most once a day, and one search lists at most 30 numbers. Numbers come and go, so a search in the CallFlux dashboard shows what is available at that moment.
415 area code at a glance
Places the 415 area code covers
“The 415 NPA generally covers the County of San Francisco, most of Marin County and a small portion of San Mateo County”
NANPA's map of 415 is in Planning Letter PL-461 (PDF).[12]
Rate centers NANPA lists for 415
NANPA's rate center report lists 14 rate centers for 415, as of October 13, 2026.[14]
- Belvedere
- Corte Madera
- Ignacio
- Inverness
- Mill Valley
- Nicasio
- Novato
- Point Reyes
- San Rafael
- Sausalito
- San Francisco: Central DA
- San Francisco: Juniper DA
- San Francisco: Montrose-Evergreen DA
- Stinson Beach-Bolinas
Area codes that share the 415 area
In an overlay, more than one area code serves the same area. NANPA lists 415 in the 415/628 overlay. So 628 serves the same area as 415.[3]
“The new 628 NPA will serve the same geographic area currently served by the existing 415 NPA.”
Get a local 415 tracking number
CallFlux tracking numbers are picked by area code. In the CallFlux dashboard you type 415, search the numbers available in it and choose one. Calls to that number forward to the phone you set, and you can record them, assign the number to a campaign and swap it onto your website, so each call shows which ad or page it came from.
A local tracking number is $1.15 a month, on top of a CallFlux plan.
Frequently asked questions
Where is the 415 area code?
415 is a San Francisco, California area code that also covers most of Marin County. It shares its area with 628.
What area codes share the 415 area?
NANPA lists 415 in the 415/628 overlay. So 628 serves the same area as 415.
What time zone is the 415 area code in?
NANPA lists Pacific as the predominant time zone for 415.
How do you dial a local call in the 415 area code?
NANPA lists 1 + 10 digits as the predominant way to dial both local and toll calls within 415.
When did the 415 area code start?
NANPA lists January 1, 1947 as the date 415 was placed in service.
Can I get a local 415 phone number for my business?
Our latest search, on October 15, 2026, found no local 415 numbers. Numbers come and go, so search 415 again in the CallFlux dashboard. A local tracking number is $1.15 a month, on top of a CallFlux plan.
Sources
Every fact on this page, the words it rests on and the date it was checked. NANPA writes NPA for an area code.
[1] NANPA lists 415 as an area code in California.
“LOCATION: CA”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[2] NANPA lists January 1, 1947 as the date 415 was placed in service.
“IN_SERVICE_DT: 01-Jan-1947”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[3] NANPA lists 415 as part of the 415/628 overlay.
“OVERLAY_COMPLEX: 415/628”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[4] NANPA lists Pacific as the predominant time zone of 415.
“TIME_ZONE: P”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[5] NANPA's TIME_ZONE field gives a code's predominant time zone or zones.
“Predominant time zone(s) for NPA”
NANPA NPA Database field definitions · checked October 13, 2026
[6] In NANPA's field definitions, P stands for Pacific.
“P-Pacific”
NANPA NPA Database field definitions · checked October 13, 2026
[7] NANPA lists 1 + 10 digits as the predominant way to dial a local call within 415.
“HOME_NPA_LOCAL_CALLS: 1+10D”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[8] NANPA's HOME_NPA_LOCAL_CALLS field gives the predominant dialing pattern for local calls.
“Predominant dialing pattern on Home NPA Local Calls”
NANPA NPA Database field definitions · checked October 13, 2026
[9] NANPA lists 1 + 10 digits as the predominant way to dial a toll call within 415.
“HOME_NPA_TOLL_CALLS: 1+10D”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[10] NANPA's HOME_NPA_TOLL_CALLS field gives the predominant dialing pattern for toll calls.
“Predominant dialing pattern on Home NPA Toll Calls”
NANPA NPA Database field definitions · checked October 13, 2026
[11] In NANPA's field definitions, 1+10D stands for 1 + 10 digits.
“1+10D - one plus ten digits”
NANPA NPA Database field definitions · checked October 13, 2026
[12] NANPA's database points to Planning Letter PL-461 for a map of 415.
“MAP: 461”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[13] NANPA's rate center report puts all 14 of 415's rate centers in the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area.
“San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area”
NANPA NPA Rate Center Report (created October 13, 2026) · data · checked October 13, 2026
[14] NANPA's rate center report lists 14 rate centers for 415.
“BELVEDERE; CORTE MADERA; IGNACIO; INVERNESS; MILL VALLEY; NICASIO; NOVATO; POINT REYES; SAN RAFAEL; SAUSALITO; SAN FRANCISCO:CENTRAL DA; SAN FRANCISCO:JUNIPER DA; SAN FRANCISCO:MONTROSE-EVERGREEN DA”
NANPA NPA Rate Center Report (created October 13, 2026) · data · checked October 13, 2026
[15] NANPA describes the 415 area as San Francisco, most of Marin County and a small part of San Mateo County.
“The 415 NPA generally covers the County of San Francisco, most of Marin County and a small portion of San Mateo County”
NANPA Planning Letter PL-461 (January 28, 2014) · checked October 13, 2026
[16] 628 serves the same area as 415.
“The new 628 NPA will serve the same geographic area currently served by the existing 415 NPA.”
NANPA Planning Letter PL-461 (January 28, 2014) · checked October 13, 2026
[17] NANPA's glossary uses NPA, Numbering Plan Area, for an area code.
“Numbering Plan Area (Area Code)”
NANPA glossary · checked October 13, 2026