Area code 628 is a California area code that was split from area code 415. It includes the cities of San Francisco and Marin County. The area code serves the far northern suburbs of the San Francisco Bay Area, as well as the northwestern portion of California.
What Are the Largest Telephone Carriers for the 628 Area Code
The largest telephone carriers for area code 628 are AT&T, Verizon, T-Mobile, and Sprint. These carriers provide service to area code 628 and its surrounding areas.
What Is the History of Area Code 628?
Area code 628 was created on March 1, 2015, when area code 415 was split. Area code 628 is expected to remain in service for the foreseeable future. However, it is possible that area code 628 could be split again if the area's population continues to grow.
How Many People Use the 628 Area Code?
There are approximately 2.5 million people in the 628 area code as of 2020. This area code is one of the most populous area codes in California. The area codes surrounding area code 628 are 831 to the south, 650 to the east, 415 to the north, and 707 to the northwest.
What Time Zone Is Area Code 628?
Area code 628 is in the Pacific Time Zone. This area code covers the far northern suburbs of the San Francisco Bay Area, as well as the northwestern portion of the state.
Is the 628 Area Code Toll-Free?
No, area code 628 is not toll-free. Calls made to this area code are subject to standard calling rates.
What Are Area Codes and Prefix Codes?
An area code is a three-digit code that identifies a geographic area. A prefix code is a three-digit code that identifies a specific exchange within an area.