San Antonio Valley, California Phone Lookup
Find the owner of any phone number in San Antonio Valley, California.
What Phone Numbers Are in San Antonio Valley, California?
Looking up a phone number in San Antonio Valley, California? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. San Antonio Valley is served by 2 area codes and has 2 active phone prefixes.
Area Codes Serving San Antonio Valley
Phone numbers in San Antonio Valley, California use the following area codes: 408, 669.
Top Phone Carriers in San Antonio Valley
The most common phone service providers in San Antonio Valley include:
- Global Valley Networks
- Centurylink Communications, Llc
- Utility Telecom Group, Llc - Ca
- Wide Voice, Llc - Ca
- Onvoy Spectrum, Llc
Data current as of March 2026
Nearby Cities in California
Other cities in California that share area codes with San Antonio Valley:
Frequently Asked Questions
What Area Codes Serve San Antonio Valley, California?
Phone numbers in San Antonio Valley, California use 2 area codes: 408, 669. These area codes are shared with other cities in the region. San Antonio Valley has 2 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 San Antonio Valley, California?
To look up any phone number in San Antonio Valley, 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 San Antonio Valley 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 San Antonio Valley?
San Antonio Valley, California has both wireless and landline phone numbers. Approximately 13% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 88% being landline or VoIP. Major carriers serving the area include Global Valley Networks, Centurylink Communications, Llc, Utility Telecom Group, Llc - Ca. 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.