San Francisco Calling Guide

Call Area Code 415 San Francisco

Need to reach customers, teams, or partners in San Francisco? Use StartACall to dial any 415 or 628 number directly from your browser. No apps, no complex PBX setup, just instant VoIP to PSTN calling.

How to Dial
Calling San FranciscoLine Active
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How to Call a 415 Number

Step-by-step dialing instructions for local, international, and browser-based calls to San Francisco.

1

Calling Locally

From within the Bay Area dial 415 followed by the seven-digit number. No country code needed for local calls.

2

Calling from Outside the US

Dial your country's exit code then +1 415 and the local number. Example: +1 415 555 0123. You can also place international calls from your browser using StartACall.

3

Browser Calling

Sign up with StartACall, allow microphone access, enter the full E.164 number (+1415...) in the dialer, and click Call. The platform bridges WebRTC to the PSTN so your browser connects to real 415 phones.

Dialing Examples

Use the international format when calling from abroad or when dialing through StartACall's browser dialer to ensure reliable routing.

Local Landline
415 555 0123
International Format
+1 415 555 0123

San Francisco Area Codes & Coverage

Area code 415 serves San Francisco and nearby communities. Area code 628 overlays the same geographic region.

Area CodeRegionNotes
415San Francisco, Marin CountyPrimary SF code
628Overlay for 415Same coverage as 415

Cities Served

  • San Francisco
  • Sausalito
  • Daly City (parts)
  • Pacifica (parts)
  • Marin County communities
Need help finding a local prefix or porting an existing number? StartACall support can assist with provisioning and number transfers.

Local 415 Numbers & Virtual Presence

Secure a San Francisco local number to build trust with Bay Area customers, route calls to agents worldwide, or forward calls to your team. Manage numbers from the browser with instant provisioning and number assignment.

  • Search and buy local 415 and 628 numbers
  • Port existing numbers into StartACall
  • Assign numbers to agents, AI agents, or forward to SIP endpoints

Global Reach

Assign a local San Francisco number and route calls globally to your team or contact center.

Secure

Encrypted browser calls and enterprise controls for compliance and privacy.

Instant Setup

Buy and assign numbers in minutes. Start calling from the browser immediately.

AI Agents & Copilot

Use AI agents for call handling and the Copilot for live transcriptions and suggested responses on 415 calls.

Frequently Asked Questions

What cities use the 415 area code?

San Francisco is the core of 415, with coverage extending into parts of Marin County and neighboring communities. The overlay 628 also serves the same areas.

Can I buy a local 415 number through my browser?

Yes. StartACall lets you search, reserve, and manage San Francisco numbers directly in the web dashboard without installing any software.

Do I need an app to call 415 numbers with StartACall?

No app required. StartACall runs in Chrome, Safari, and Firefox using WebRTC. Grant microphone permission and start calling from the browser.

Can AI agents handle inbound calls to my 415 number?

Absolutely. Deploy autonomous AI agents to answer and route inbound 415 calls, or use the AI Copilot to provide live assistance and transcriptions for agents on the call.

Start calling San Francisco from your browser

Sign up and start placing or receiving calls on 415 numbers in seconds. No downloads, instant provisioning, and full control from the web dashboard.