Clayton, California Phone Lookup
Find the owner of any phone number in Clayton, California.
What Phone Numbers Are in Clayton, California?
Looking up a phone number in Clayton, California? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Clayton is served by 1 area code and has 12 active phone prefixes.
Area Codes Serving Clayton
Phone numbers in Clayton, California use the following area code: 925.
Top Phone Carriers in Clayton
The most common phone service providers in Clayton include:
- Onvoy, Llc - Ca
- T-mobile Usa, Inc.
- Mcimetro Access Transmission Services Llc
- Pacific Bell
- Hd Carrier Llc
Data current as of March 2026
Nearby Cities in California
Other cities in California that share area codes with Clayton:
Clayton at a Glance
Demographics
- White 66.7%
- Black 0.6%
- Hispanic 13.5%
- Asian 12.7%
- Other 6.4%
Financial Profile
Frequently Asked Questions
What Area Codes Serve Clayton, California?
Phone numbers in Clayton, California use 1 area code: 925. These area codes are shared with other cities in the region. Clayton has 12 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 Clayton, California?
To look up any phone number in Clayton, 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 1 area code serving Clayton 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 Clayton?
Clayton, California has both wireless and landline phone numbers. Approximately 16% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 84% being landline or VoIP. Major carriers serving the area include Onvoy, Llc - Ca, T-mobile Usa, Inc., Mcimetro Access Transmission Services Llc. 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.