Get a Local 628 Area Code Virtual Phone Number in San Francisco, CA
Get a 628 area code business phone number in San Francisco, Mill Valley, Sausalito, and Tiburon. Purchase your 628 virtual number from Calilio to boost local credibility, connect with clients, and grow your business presence across the Bay Area.
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Where is the 628 Area code?
The 628 area code serves the same geographic region as the 415 area code under the North American Numbering Plan (NANPA). It covers the entire City and County of San Francisco, most of Marin County, and a small, northeastern portion of San Mateo County. This includes well-known communities such as Mill Valley, Sausalito, Tiburon, San Rafael, and parts of Daly City.
The coverage area includes notable Bay Area landmarks such as the Golden Gate Bridge, Fisherman’s Wharf, and the Presidio. Additionally, both landline and virtual business numbers in this region commonly use the 628 area code for local presence, communication, and business operations.
Time Zone
The 628 area code region follows the Pacific Time Zone (PT), which operates on UTC−8 / GMT−8 during standard time and shifts to UTC−7 / GMT−8 during daylight saving time. Daylight Saving Time begins on the second Sunday in March and ends on the first Sunday in November, when clocks are moved forward in the spring and set back in the fall. Additionally, businesses and residents using 628 area code phone numbers follow this schedule to stay aligned with local time standards across San Francisco, Marin County, and the greater Bay Area.
About San Francisco in the 628 Area Code
San Francisco is a major city in Northern California and a key part of the San Francisco Bay Area. Covering a land area of about 46.9 square miles (121.5 km²), it is home to over 819.2K residents as of 2023, which makes it one of the most densely populated cities in the United States. The region uses several area codes, such as 415, 510, 650, 669, and 707, among which the 628 area code is an overlay area code of the 415 area code, which serves the entire city and county of San Francisco under the North American Numbering Plan (NANPA).
The San Francisco region is one of the strongest economic engines in California, known globally for its technology sector, finance, tourism, and innovation-driven industries. Major economic contributors include companies such as Salesforce, Uber, Lyft, Gap Inc., Wells Fargo, and numerous early-stage startups across the SoMa, the Financial District, and Mission Bay areas. The San Francisco Bay Area's GDP was approximately $778.9 billion at the end of 2023, which is significantly higher than previous figures.
Furthermore, businesses in San Francisco use multiple area codes, and many professionals rely on 628 area code phone numbers to maintain a local identity, enhance customer communication, and strengthen their presence in the city’s competitive market.
History of 628 Area Code
The 628 area code was introduced in 2015 as an overlay to the 415 area code to meet the growing demand for phone numbers in San Francisco and parts of Marin County. This overlay allowed residents and businesses to keep their existing 415 numbers while new numbers were assigned under 628. Additionally, ten-digit dialling became mandatory with its introduction to ensure smooth call routing.
Search Virtual Numbers with 628 Area Code
Get a 628 area code phone number from Calilio for your business and build local credibility with customers across San Francisco and the Bay Area.
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How Does a 628 Business Phone Number Work?
A 628 business phone number is a standard 10-digit number assigned under the North American Numbering Plan (NANP) and serves San Francisco and a small portion of Marin County in California. The 628 area code acts as a local number for businesses in San Francisco, Mill Valley, Sausalito, Tiburon, San Rafael, and nearby communities, which makes it easy for customers to reach them through landlines, mobile phones, or VoIP services.
The dialling format for 628 follows NANP overlay rules. Callers within the 415/628 region must use 10-digit dialling (area code + phone number). For landlines, this typically includes the “1” prefix, for example, 1-628-555-1234, while mobile users may sometimes dial without the “1” depending on their carrier. Callers from outside the 628/415 area generally dial the same sequence, 1 + area code + number. Local calling rates remain unchanged, and emergency or service numbers are not affected.
The 628 phone number can be obtained using different methods, i.e., traditional carriers, landlines, and virtual numbers. Among these, businesses often consider virtual numbers, which offer features such as AI call analytics, auto-attendant, CRM integrations, and other business communication tools, depending on the carrier. These features help businesses manage calls efficiently, maintain a strong local presence in San Francisco, and improve customer engagement.
Nearby Area Code
Why Choose a Calilio 628 Business Number?
Advanced Call Management & Routing
Seamlessly route calls to the right agent or department with multi-level IVR, auto-attendant, and intelligent call queuing.
CRM Integration
Obtain details on incoming calls to assist customers and clients more effectively, streamlining your business workflows.
How to get a 628 Area Code Phone Number?
You can obtain a 628 phone number through any virtual phone number service using their app or website. Just create an account on Calilio & follow the on-screen steps to set up your 628 number.
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Create a Calilio account with basic details & log into your dashboard.
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Navigate to the left sidebar & click the plus symbol (+) located next to the Number section.
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You will land on the My Number page; here, select the Country for your virtual number.
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Select the Number Type and then choose the Capabilities (SMS, Voice, MMS).
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Scroll down, choose an available number from the list, and click the Add to Cart button.
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In the final step, enter your name and click Confirm Purchase from the cart to complete payment and activate your virtual number.
Already Have a Local Phone Number with 628 Area Code?
Calilio offers to integrate your existing 628 area code phone number with the VoIP phone system. Retain your current local presence in San Francisco while enjoying VoIP features.
Benefits of a San Francisco Area Code 628
The San Francisco area code 628 offers several impressive perks for the business aiming to strengthen its presence in San Francisco. It signals a business commitment to serving the local community.
Improved Customer Trust
Marketing Efficiency
Flexibility and Mobility
Better Customer Service
Scalability
CRM Integration for Workflow Automation
Integrating Calilio with your favorite CRM software, automation tool, or a business app to enhance business communication as well as improve workspace productivity.
Zapier
Automation
Pipedrive
CRM
Pabbly Connect
Automation
LeadHeed
CRM
HubSpot
CRM
Salesforce
CRM
Mailchimp
Marketing
Krispchat
Sales Automation
Zendesk
Helpdesk
Request Integration
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Frequently Asked Questions
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