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Area Code 415 Location & Details

State / Region: California • Country: United States

Major Cities Covered: San Francisco, South San Francisco, San Rafael, Novato, Mill Valley, Larkspur, San Anselmo, Corte Madera, Tiburon, Fairfax

Standard Dial Format
+1 (415) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 415?
CaliforniaState Hub →
Country Territory
United States
415 Area Code Time Zone
Pacific
415 Overlay Codes
628

Area Code 415 Geographic Map

Interactive location bounds and coverage area for California (Pacific Timezone)

Lat: 37.70° • Lng: -122.27°
📍 Geographic Center: CaliforniaMap data © OpenStreetMap contributors

Where is Area Code 415 Located?

Telephone area code 415 is assigned to California in United States. It serves cities and metropolitan communities including San Francisco, South San Francisco, San Rafael, Novato, Mill Valley, Larkspur, San Anselmo, Corte Madera, Tiburon, Fairfax.

Historical Context & Area Code Overlay Information:415 serves California (United States).

For local and long-distance calls within area code 415, standard 10-digit dialing (415) XXX-XXXX applies.

Who Called Me from Area Code 415?

Received an unknown call, missed call, or text scam from area code 415? Here is how to trace who is calling from 415 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 415 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 415:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 415 & Dialing Format

When placing a phone call to a number in area code 415, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (415) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 415 + 7-digit number.
  • Do I need to dial area code 415 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 415

Urban centers, census places, and communities within the +1-415 calling area

13 Major Cities Listed
City NameCountyPopulation% of 415 Pop
San FranciscoSan Francisco County826,07976.6%
South San FranciscoSan Mateo County64,9416.0%
San RafaelMarin County59,4105.5%
NovatoMarin County51,9474.8%
Mill ValleyMarin County13,7991.3%
LarkspurMarin County12,6201.2%
San AnselmoMarin County12,5551.2%
Corte MaderaMarin County9,9290.9%
TiburonMarin County8,8810.8%
FairfaxMarin County7,4170.7%
SausalitoMarin County7,0190.7%
RossMarin County2,3040.2%
BelvedereMarin County2,0660.2%

Counties Covered by Area Code 415

Geographic county distribution and population coverage across California

County NameTotal Population% of 415 Area% of County
San Francisco County820,94576.6%100%
Marin County255,70417.4%74%
San Mateo County740,6276.0%9%

☎️Area Code 415 Exchange Prefixes & Carriers

Showing 50 of 800 central office 3-digit prefixes and assigned telecom carriers

67% Landline23% Wireless10% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(415) 200-📞LandlineSNFC CNTRLIP HORIZON LLCN/A
(415) 201-📞LandlineSNFC CNTRLUTILITY TELECOM GROUP, LLC - CAN/A
(415) 202-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 203-📱WirelessSNFC CNTRLNEW CINGULAR WIRELESS PCS, LLCN/A
(415) 204-📞LandlineSNFC CNTRLUTILITY TELECOM GROUP, LLC - CAN/A
(415) 205-📱WirelessSNFC CNTRLNEW CINGULAR WIRELESS PCS, LLCN/A
(415) 206-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 207-📞LandlineSNFC CNTRLSPOK, INC.N/A
(415) 208-📱WirelessNOVATONEW CINGULAR WIRELESS PCS, LLC07/22/2026
(415) 209-📞LandlineNOVATOFRONTIER CALIFORNIA INC.N/A
(415) 210-📞LandlineSNFC CNTRLSPOK, INC.N/A
(415) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(415) 212-📱WirelessSNFC CNTRLCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA10/24/2014
(415) 213-📞LandlineSNFC MT-EVU.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSN/A
(415) 214-📱WirelessSNFC CNTRLCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA10/21/2014
(415) 215-📱WirelessSNFC CNTRLNEW CINGULAR WIRELESS PCS, LLCN/A
(415) 216-📞LandlineSNFC CNTRLTELEPORT COMMUNICATIONS AMERICA, LLC - CAN/A
(415) 217-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 218-📱WirelessSNFC CNTRLNEW CINGULAR WIRELESS PCS, LLCN/A
(415) 219-📞LandlineSNFC CNTRLSPOK, INC.N/A
(415) 220-📞LandlineSNFC CNTRLSPOK, INC.N/A
(415) 221-📞LandlineSNFC MT-EVPACIFIC BELLN/A
(415) 222-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 223-💻VoIPSAN RAFAELONVOY, LLC - CAN/A
(415) 224-📞LandlineSNFC CNTRLSPOK, INC.N/A
(415) 225-📱WirelessSNFC CNTRLT-MOBILE USA, INC.N/A
(415) 226-📞LandlineSAN RAFAELLEVEL 3 COMMUNICATIONS, LLC - CAN/A
(415) 227-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 228-📞LandlineSNFC CNTRLMCIMETRO ACCESS TRANSMISSION SERVICES LLCN/A
(415) 229-📞LandlineSNFC CNTRLTELEPORT COMMUNICATIONS AMERICA, LLC - CAN/A
(415) 230-💻VoIPSNFC CNTRLONVOY, LLC - CA09/15/2007
(415) 231-📱WirelessSNFC MT-EVT-MOBILE USA, INC.11/29/2012
(415) 232-📞LandlineSNFC CNTRLUTILITY TELECOM GROUP, LLC - CAN/A
(415) 233-📞LandlineSAN RAFAELLEVEL 3 COMMUNICATIONS, LLC - CAN/A
(415) 234-💻VoIPIGNACIOONVOY, LLC - CAN/A
(415) 235-📱WirelessSNFC CNTRLT-MOBILE USA, INC.N/A
(415) 236-📞LandlineINVERNESSTELEPORT COMMUNICATIONS AMERICA, LLC - CAN/A
(415) 237-📞LandlineINVERNESSLEVEL 3 COMMUNICATIONS, LLC - CAN/A
(415) 238-📱WirelessSNFC CNTRLCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAN/A
(415) 239-📞LandlineSNFC JUNPRPACIFIC BELLN/A
(415) 240-📞LandlineSNFC CNTRLLEVEL 3 COMMUNICATIONS, LLC - CAN/A
(415) 241-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 242-📞LandlineSNFC MT-EVPACIFIC BELLN/A
(415) 243-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 244-📱WirelessSNFC CNTRLNEW CINGULAR WIRELESS PCS, LLCN/A
(415) 245-📞LandlineSNFC CNTRLSPOK, INC.N/A
(415) 246-📱WirelessNOVATONEW CINGULAR WIRELESS PCS, LLCN/A
(415) 247-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 248-📞LandlineSNFC CNTRLPACIFIC BELLN/A
(415) 249-📞LandlineSNFC CNTRLPACIFIC BELLN/A

Frequently Asked Questions about Area Code 415

Where is area code 415 located?

Area code 415 is located in California (United States), serving cities like San Francisco, South San Francisco, San Rafael, Novato, Mill Valley, Larkspur, San Anselmo, Corte Madera, Tiburon, Fairfax.

What timezone is area code 415?

Area code 415 operates in the Pacific timezone.

What state is area code 415?

Area code 415 is assigned to the state / telecom territory of California.

Is area code 415 a scam or dangerous?

Area code 415 is an official geographic area code for California. However, beware of robocaller spoofing.

California State Area Codes

View complete directory of telephone area codes assigned to California.

Explore California Directory

Get a 415 Business Phone Number

How to acquire a virtual phone number or business line with area code 415 for local customer trust in California.

Get 415 Business Number
🛡️ Scam & Safety Directory

Check high-risk international callback scam area codes and robocall warning databases.

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Overlay & Nearby Area Codes for California

Explore neighboring telecom prefixes sharing geographical boundaries with area code 415.

628
Pacific
Area Code 628
San Francisco, South San Francisco, San Rafael, Novato, Mill Valley, Larkspur, San Anselmo, Corte Madera, Tiburon, Fairfax
209
Pacific
Area Code 209
Stockton, Modesto, Tracy, Merced, Manteca, Turlock, Lodi, Los Banos, Ceres, Lathrop
213
Pacific
Area Code 213
Los Angeles, Montebello, Commerce, Vernon
279
Pacific
Area Code 279
Sacramento, Elk Grove, Roseville, Folsom, Rancho Cordova, Citrus Heights, Rocklin, Lincoln, West Sacramento, Loomis
310
Pacific
Area Code 310
Torrance, Inglewood, Carson, Compton, Santa Monica, South Gate, Hawthorne, Redondo Beach, Lynwood, Gardena
323
Pacific
Area Code 323
Los Angeles, South Gate, Montebello, Huntington Park, Bell Gardens, Commerce, Vernon