Prefix 909-306 — Chino, CA

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

Area code
909
Prefix (NXX)
306
Rate center
Chino
State
California
Time zone
Pacific
Code holder
PEERLESS NETWORK OF CALIFORNIA, LLC - CA
OCN
373F
Pooled
Yes (thousands-block pooling)
Assigned
2012-04-16
LATA
730

The 909-306 prefix belongs to area code 909 and is anchored to the Chino rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Chino is part of the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 730. Numbers here keep Pacific time.

The assigned code holder is PEERLESS NETWORK OF CALIFORNIA, LLC - CA, operating company number 373F, assigned April 16, 2012. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Caller ID showing 909-306 is not proof the call came from Chino: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.

Neighboring prefixes

Prefixes adjacent to 909-306
PrefixRate centerCode holder
909-303 Upland LEVEL 3 COMMUNICATIONS, LLC - CA
909-304 Chino PEERLESS NETWORK OF CALIFORNIA, LLC - CA
909-305 Claremont FRONTIER CALIFORNIA INC.
909-307 Redlands FRONTIER CALIFORNIA INC.
909-308 Chino PEERLESS NETWORK OF CALIFORNIA, LLC - CA
909-309 Ontario SPOK, INC.

FAQ

Where is 909-306 located?

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

Which company owns 909-306 numbers?

PEERLESS NETWORK OF CALIFORNIA, LLC - CA 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 909-306 safe to answer?

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