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213-324 is a Gardena, California phone prefix held by AT&T Mobility.

NANPA, which runs the North American numbering plan, lists AT&T Mobility as the holder of 213-324 for the Gardena rate center (CMTN GRDN) in California. The prefix covers 10,000 numbers, 213-324-0000 to 213-324-9999. It is pooled, so blocks of 1,000 of those numbers can be assigned to other carriers. A number may have moved to another carrier since, because people keep their number when they switch.

Held by
AT&T Mobility
What the holder is
Mobile network
Rate center
Gardena (NANPA code CMTN GRDN)
State
California
Pooled
Yes: blocks of 1,000 numbers in it can be with other carriers
Numbers
213-324-0000 to 213-324-9999
Area code
Area code 213, Gardena

These are NANPA's records for the whole prefix, as of October 1, 2026. One number may have moved to another carrier since, so check the full number below.

Check which carrier a 213-324 number is on today.

The box already holds 213-324-, so type the last four digits. It is the same free check as our carrier lookup. To see who a number is listed to, use our free who called me lookup.

These are the questions people ask about 213-324 numbers.

Which carrier owns 213-324 numbers?

NANPA's records as of October 1, 2026 list AT&T Mobility as the holder of the 213-324 prefix. The prefix is pooled, so blocks of 1,000 numbers in it can belong to other carriers, and any number can have been ported since. Enter the full number in the box above to see the carrier it is on today.

Where is a 213-324 number from?

The 213-324 prefix is assigned to the Gardena rate center (CMTN GRDN) in California. A rate center is the local calling area a prefix belongs to. Mobile and internet phone numbers keep their prefix when the owner moves, so the person calling can be somewhere else.

Who called me from a 213-324 number?

The prefix tells you the carrier and the area, not the person. Enter the full 10-digit number in our free who called me lookup to see who it is listed to, where there is a public record.

Source: NANPA, the North American Numbering Plan Administrator: its central office code assignments, as of October 1, 2026.