Get a 650 Area Code to Grow Your Business in San Francisco
October 14, 2025

Get a 650 Area Code Business Phone & Answering Service

The 650 area code is located in California, covering the San Francisco Peninsula region primarily within San Mateo County and parts of Santa Clara County and San Francisco County. It was created as a split from area code 415 on August 2, 1997. These digits instantly tell the world you have a presence in Silicon Valley, the epicenter of global innovation.

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What is 650 Area Code?

The 650 area code is assigned to the San Francisco Peninsula in California, primarily serving San Mateo County and a portion of northern Santa Clara County. It was established in 1997 as a split from the 415 area code. Today, area code 650 is home to over 40,000 tech companies and startups such as Meta, Y Combinator, Google, etc.

  • State: California 
  • Major Cities: San Mateo, Palo Alto, Redwood City 
  • Time Zone: Pacific (GMT -08:00) 
  • Established: 1997 
  • Overlay Area Code: None 
  • Region Population: Nearly 5.3 million 
  • Primary Uses: Business, Residential

Regions Covered by 650 Area Code

The area code 650 primarily covers the San Francisco Peninsula. Regions within this area code include:

San Mateo County
  • Atherton
  • Belmont
  • Broadmoor
  • Burlingame
  • Colma
  • Daly City
  • East Palo Alto
  • El Granada
  • Emerald Lake Hills
  • Foster City
  • Half Moon Bay
  • Highlands-Baywood Park
  • Hillsborough
  • King's Mountain
  • La Honda
  • Ladera
  • Loma Mar
  • Los Trancos Woods
  • Middleton Tract
  • Menlo Park
  • Millbrae
  • Montara
  • Moss Beach
  • North Fair Oaks
  • Pacifica
  • Pescadero
  • Portola Valley
  • Princeton-by-the-Sea
  • Redwood City
  • San Bruno
  • San Carlos
  • San Gregorio
  • San Mateo
  • Sky Londa
  • South San Francisco
  • West Menlo Park
  • Woodside
San Francisco County
  • San Francisco
Santa Clara County
  • Los Altos
  • Los Altos Hills
  • Loyola
  • Mountain View
  • Palo Alto
  • Stanford
  • Sunnyvale

Population & Demographics of 650 Area Code

The 650 area code location serves a key portion of the San Francisco Bay Area, which is one of the most economically vital and highly educated regions in the United States. The area's population is a diverse mix, with a significant presence of Asian and Hispanic or Latino residents.

The 650 area code is a magnet for startups. Its proximity to Stanford University and a dense network of venture capital firms creates a fertile ecosystem for new businesses. Organizations like Y Combinator, a prominent startup accelerator, are also based in the area, further cementing its role as a startup hub

The median household income in San Mateo County is $151,485, making it one of the most affluent counties. This high level of income and a strong, highly skilled labor force present a lucrative market for businesses, especially those in the technology and professional services sectors.

650 Area Code Time Zone

The 650 area code is located in the Pacific Time Zone (PT). The region operates on UTC–8 (standard) and UTC–7 (daylight saving), shifting in March and November. This time zone is advantageous for both national and global business operations.

The Pacific Time Zone allows businesses to get a head start on the East Coast workday. It also provides a significant window for communication with the rest of the U.S. in the afternoon. In addition, it offers excellent alignment with Asia in the morning and a slight overlap with European markets in the late afternoon.

Business Importance of the 650 Area Code

For businesses, a local area code is more than just a set of digits. It is a strategic tool for increasing sales and establishing a robust presence in your local community. The 650 area code is a gateway to the economically vibrant and globally significant region of Silicon Valley.

Why Local Numbers Build Trust

In a digital age where businesses can be located anywhere, a local phone number is a tangible signal of presence and commitment. Studies show that people are nearly four times more likely to pick up calls from local numbers as compared to toll-free or out-of-area numbers. 

For potential customers in the 650 region, seeing a local number instills a sense of trust and familiarity. Calls from the 650 area code can significantly increase the likelihood of a call being answered and a lead being converted. A foreign number or an out-of-area number is more likely to be branded as spam by potential customers.

Enterprise Businesses That Benefit From a Local 650 Number

Some well-established businesses and enterprises that actively benefit from a 650 local number are: 

Technology

The 650 area code, at the heart of Silicon Valley, is home to leading technology firms that require seamless communication for client support, technical troubleshooting, and project updates. AI answering services provide 24/7 support and help manage call overflow, ensuring consistent service delivery for businesses of all sizes.

  • Google: Headquartered in Mountain View, this global technology giant has a significant presence across the USA.
  • Meta (formerly Facebook): Based in Menlo Park, Meta is a global leader in social media and virtual reality technology.
  • VMware: A Palo Alto-based company specializing in cloud computing and virtualization software.
  • Affirm: Headquartered in San Francisco with a major presence in the 650 area code, this company provides financial technology services.
  • LinkedIn: Headquartered in Sunnyvale with offices in the area.
  • Arista Networks: Located in Santa Clara, this company is a leader in cloud networking solutions.

Insurance

Insurance providers in the 650 area code require consistent customer support for claims, policy questions, and emergency response. AI answering services streamline client interactions and reduce wait times, enhancing customer satisfaction.

  • CAMICO Mutual Insurance Company: Headquartered in San Mateo, CAMICO specializes in professional liability insurance for CPAs.
  • Heffernan Insurance Brokers: This brokerage has offices in the Bay Area, providing a wide range of commercial and personal insurance solutions.
  • Allstate: A national insurer with numerous agent offices located throughout the 650 area code.
  • AAA (Automobile Club of Southern California): With a strong presence in the Bay Area, AAA offers insurance, roadside assistance, and travel services.

Healthcare

Hospitals, clinics, and specialty practices in the 650 area code require round-the-clock patient communication while maintaining HIPAA compliance. AI answering services help manage appointment scheduling, after-hours calls, and urgent care inquiries.

  • Genentech: A pioneering biotechnology company based in South San Francisco, focusing on the development of medicines for serious illnesses.
  • Sutter Health Peninsula Hospitals: This network includes facilities like Mills-Peninsula Medical Center in Burlingame and San Mateo, serving the Peninsula community.
  • Kaiser Permanente: A major healthcare provider with hospitals and medical offices throughout the 650 area code, including in Redwood City and South San Francisco.
  • Dignity Health Medical Center: Serves the Peninsula with facilities that provide a wide range of medical services.

Manufacturing

The 650 area has a strong history of advanced manufacturing, with companies that require reliable communication for supply chain management, client support, and technical assistance. AI answering services ensure smooth operations and timely responses.

  • Varian Medical Systems: Located in Palo Alto, a global leader in the manufacturing of medical devices for cancer treatment.
  • Keysight Technologies: Headquartered in Santa Rosa with a notable presence in the area.

Banking and Financial Services

Banks and credit unions in the 650 area code handle a high volume of calls for account services, loan inquiries, and fraud alerts. Answering services ensure every customer call is routed quickly and securely, protecting customer trust and brand reputation.

  • Bank of America: A major national bank with financial centers and ATMS in Palo Alto.
  • Fremont Bank: A regional bank with branches serving the Peninsula.
  • Chase: A national bank with a large network of branches in cities like Palo Alto and Mountain View.
  • Monterra Credit Union: A credit union with branches on the Peninsula, serving local communities.

Logistics

Logistics and transportation companies in the 650 area code thrive on real-time communication for deliveries, freight updates, and customer support. Answering services ensure operations run smoothly without overwhelming in-house staff.

  • Omni Logistics: Located in Union City, with a notable presence near the San Francisco International Airport and the Port of San Francisco.
  • Navis Pack & Ship: Located in Palo Alto, this company specializes in freight shipping for heavy, bulky, or fragile items.
  • Great World Logistics (gwl): A logistics and supply chain solutions provider with a presence in the Bay Area.

How to Get a 650 Area Code Number

Setting up your 650 area code number with Goodcall is quick and straightforward. Here’s how it works:

  1. Sign Up: Create your account with Goodcall using basic business details.
  2. Select Your Plan: Choose the pricing plan that best matches your company’s needs.
  3. Complete KYC: Verify your identity and business information for compliance.
  4. Pick a Number: Browse available 650 numbers and select the one you want.
  5. Customize Agent: Set up your AI-powered answering agent with greetings, call routing, and voicemail preferences.
  6. Go Live: Activate your number and start receiving calls immediately.

Benefits of Using Goodcall for a 650 Area Code Number

Choosing Goodcall means more than just getting a local number; it means equipping your business with tools to handle calls efficiently.

  • 24/7 Availability: Ensure no customer call is missed.
  • AI Answering Services: Professional, automated responses for smoother communication.
  • Cost-Effective: Flexible pricing designed for small to enterprise-level businesses.
  • Scalable Solutions: Upgrade features as your business grows.
  • Local Credibility: Build customer trust with a recognizable area code.

With these advantages, Goodcall makes it easier for you to manage calls and focus on growing your business.

Pricing Plans for Local Numbers

Our local 650 area code numbers come with affordable pricing plans designed to fit every business size. We offer flexible pricing options that scale with your needs, whether you’re a startup or an established enterprise. Additionally, you can save 30% on annual subscriptions, giving your business more value at a lower cost.

Nearby Area Codes to 650

Apart from the 650 area code in San Francisco, several nearby area codes cover the surrounding regions. These codes are useful if your business extends beyond San Francisco:

Areas Area Code
San Francisco and Marin County 415
Silicon Valley, including San Jose and its surrounding communities 408
San Francisco Bay to the east, covering cities like Oakland, Berkeley, and Fremont. 510

Frequently Asked Questions

What is the 650 area code, and where is it located? 

The 650 area code is a telephone area code for the San Francisco Peninsula in California, primarily serving San Mateo County and a portion of northern Santa Clara County.

What cities does the 650 area code cover? 

It covers major cities like Palo Alto, Redwood City, Menlo Park, Mountain View, and San Mateo.

What time zone is area code 650 in? 

The 650 area code is in the Pacific Time Zone (PT).

Does the 650 area code get spam calls? 

Like any public phone number, 650 numbers can receive spam calls. However, Goodcall’s AI phone agent helps you block spam calls.

Which types of businesses benefit most from a local 650 number? 

Businesses that serve the local community, such as real estate agencies, tech startups, and professional services, benefit significantly. However, any business looking to establish a credible presence in the Silicon Valley market can benefit from a 650 number.

How can I get a local 650 area code number for my business? 

You can acquire a 650 number through Goodcall, which offers instant setup and advanced features.

Can I forward calls from my 650 number elsewhere? 

Yes, you can easily set up call forwarding to any other phone number or device.

How much does it cost to get a 650 area code number? 

Costs vary by provider and plan. Goodcall offers tiered pricing based on the number of unique customers, starting from $66 per month per agent annually.

Is the 650 area code toll-free? 

No, a 650 area code number is a standard local number, not a toll-free number. Toll-free numbers have prefixes such as 800, 888, 877, etc.

Last updated:
October 14, 2025

Why A Local AI Phone Number

A local AI phone number links your AI agent to real-world calls.

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🌐 Forward calls or connect to Google Voice
✋🏻 Places callers on hold when your line is busy
🚫 Say goodbye to spam calls

An AI Phone Service With Smart AI Agents


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🎓 Teach your agent anything with your own custom skills
✅ Off the shelf skill templates ready to go in a few clicks
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👋🏼 Optimize customer experience with custom greetings
💰 Grow revenue by texting your website (ie: bookings & shop)

AI Agent which is automatically answering the phone to serve your customers.

What is 650 Area Code?

The 650 area code is assigned to the San Francisco Peninsula in California, primarily serving San Mateo County and a portion of northern Santa Clara County. It was established in 1997 as a split from the 415 area code. Today, area code 650 is home to over 40,000 tech companies and startups such as Meta, Y Combinator, Google, etc.

  • State: California 
  • Major Cities: San Mateo, Palo Alto, Redwood City 
  • Time Zone: Pacific (GMT -08:00) 
  • Established: 1997 
  • Overlay Area Code: None 
  • Region Population: Nearly 5.3 million 
  • Primary Uses: Business, Residential

Regions Covered by 650 Area Code

The area code 650 primarily covers the San Francisco Peninsula. Regions within this area code include:

San Mateo County
  • Atherton
  • Belmont
  • Broadmoor
  • Burlingame
  • Colma
  • Daly City
  • East Palo Alto
  • El Granada
  • Emerald Lake Hills
  • Foster City
  • Half Moon Bay
  • Highlands-Baywood Park
  • Hillsborough
  • King's Mountain
  • La Honda
  • Ladera
  • Loma Mar
  • Los Trancos Woods
  • Middleton Tract
  • Menlo Park
  • Millbrae
  • Montara
  • Moss Beach
  • North Fair Oaks
  • Pacifica
  • Pescadero
  • Portola Valley
  • Princeton-by-the-Sea
  • Redwood City
  • San Bruno
  • San Carlos
  • San Gregorio
  • San Mateo
  • Sky Londa
  • South San Francisco
  • West Menlo Park
  • Woodside
San Francisco County
  • San Francisco
Santa Clara County
  • Los Altos
  • Los Altos Hills
  • Loyola
  • Mountain View
  • Palo Alto
  • Stanford
  • Sunnyvale

Population & Demographics of 650 Area Code

The 650 area code location serves a key portion of the San Francisco Bay Area, which is one of the most economically vital and highly educated regions in the United States. The area's population is a diverse mix, with a significant presence of Asian and Hispanic or Latino residents.

The 650 area code is a magnet for startups. Its proximity to Stanford University and a dense network of venture capital firms creates a fertile ecosystem for new businesses. Organizations like Y Combinator, a prominent startup accelerator, are also based in the area, further cementing its role as a startup hub

The median household income in San Mateo County is $151,485, making it one of the most affluent counties. This high level of income and a strong, highly skilled labor force present a lucrative market for businesses, especially those in the technology and professional services sectors.

650 Area Code Time Zone

The 650 area code is located in the Pacific Time Zone (PT). The region operates on UTC–8 (standard) and UTC–7 (daylight saving), shifting in March and November. This time zone is advantageous for both national and global business operations.

The Pacific Time Zone allows businesses to get a head start on the East Coast workday. It also provides a significant window for communication with the rest of the U.S. in the afternoon. In addition, it offers excellent alignment with Asia in the morning and a slight overlap with European markets in the late afternoon.