Larkspur, California Phone Lookup
Find the owner of any phone number in Larkspur, California.
What Phone Numbers Are in Larkspur, California?
Looking up a phone number in Larkspur, California? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Larkspur is served by 2 area codes and has 20 active phone prefixes.
Area Codes Serving Larkspur
Phone numbers in Larkspur, California use the following area codes: 415, 628.
Top Phone Carriers in Larkspur
The most common phone service providers in Larkspur include:
- Bandwidth.com Clec, Llc - Ca
- Onvoy, Llc - Ca
- T-mobile Usa, Inc.
- Mcimetro Access Transmission Services Llc
- Level 3 Communications, Llc - Ca
Data current as of March 2026
Nearby Cities in California
Other cities in California that share area codes with Larkspur:
- INVERNESS
- Mill Valley
- NICASIO
- Novato
- POINT REYES STATION
- San Bruno
- San Francisco
- SAN GERONIMO
- Sausalito
- STINSON BEACH
- Tiburon
Larkspur at a Glance
Demographics
- White 74%
- Black 0.7%
- Hispanic 8.8%
- Asian 6.7%
- Other 9.8%
Financial Profile
Frequently Asked Questions
What Area Codes Serve Larkspur, California?
Phone numbers in Larkspur, California use 2 area codes: 415, 628. These area codes are shared with other cities in the region. Larkspur has 20 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.
How Do I Look Up a Phone Number in Larkspur, California?
To look up any phone number in Larkspur, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 2 area codes serving Larkspur and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.
What Types of Phone Numbers Are in Larkspur?
Larkspur, California has both wireless and landline phone numbers. Approximately 18% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 82% being landline or VoIP. Major carriers serving the area include Bandwidth.com Clec, Llc - Ca, Onvoy, Llc - Ca, T-mobile Usa, Inc.. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.