Prefix 909-293 — Claremont, CA

NANPA CO code assignment, current as of July 28, 2026.

Area code
909
Prefix (NXX)
293
Rate center
Claremont
State
California
Time zone
Pacific
Code holder
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Pooled
Yes (thousands-block pooling)
Assigned
2010-11-19
LATA
730

Numbers in the 909-293 prefix are registered to the Claremont rate center in CA, inside area code 909. The prefix is the second block of a ten-digit US number (909-293-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list MCIMETRO ACCESS TRANSMISSION SERVICES LLC (OCN 7229) as the code holder, assigned November 19, 2010. Because 909-293 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

The rate center lies in the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area. The serving LATA is 730. Local time follows the Pacific zone.

Spoofing means this prefix on your screen doesn't guarantee a Claremont caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 909-293
PrefixRate centerCode holder
909-290 Riverside SPOK, INC.
909-291 Upland U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
909-292 Ontario U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
909-294 Upland LEVEL 3 COMMUNICATIONS, LLC - CA
909-295 Ontario METROPCS NETWORKS, LLC
909-296 Upland NEW CINGULAR WIRELESS PCS, LLC

FAQ

Where is 909-293 located?

The prefix is assigned to the Claremont rate center in CA, area code 909. It is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area.

Which company owns 909-293 numbers?

MCIMETRO ACCESS TRANSMISSION SERVICES LLC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.

Is a call from 909-293 safe to answer?

The prefix itself says nothing about the caller. Legitimate Claremont businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.