Enter a number in E.164 format (for example +441952612345)
Area code +1 5104 covers California and surrounding areas.
Our database lists the carrier as "AT&T (regional incumbents)".
Mapped location for +1 5104 is (36.7014631, -118.755997).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇺🇸 United States / Canada
Country Code: +1
Carrier: AT&T (regional incumbents)
Prefix: 5104
Location: California
Coords: 36.7014631, -118.755997
Area Code Page: +1 5104
Comments: Disabled for area-code pages
Example: +1 5104 *** ***
If you have a full number, use the search box above to view the number-specific page.
+1 5104 is an area code/prefix that appears to be associated with California. It may be assigned to multiple phone numbers within that region.
Yes — use Ringbat's number search to look up a full number. This area-code page helps when only part of a number is known.
Carrier information for this prefix: AT&T (regional incumbents). In some cases multiple carriers may use similar prefixes.
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