Larkspur, California
Pacific Time Zone (UTC-8) · CA · —
About Area Codes in Larkspur, California
Larkspur, California is served by 2 area codes: 415, 628. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Larkspur require 10-digit dialing. The city is in the Pacific time zone (UTC-8).
Other cities in area code 415
Frequently Asked Questions
What area code is Larkspur, California?
Larkspur, California uses area codes 415 and 628.
What time zone is Larkspur in?
Larkspur is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Larkspur?
Yes, all local calls in Larkspur require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 415 created?
Area code 415 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 415 with Larkspur?
Other cities sharing area code 415 with Larkspur include Corte Madera, Fairfax, Mill Valley, Novato, San Anselmo, among others.
Larkspur, CA · Pacific Time Zone