Prefix 303-351 — Deckers, CO
The 303-351 prefix belongs to area code 303 and is anchored to the Deckers rate center (CO). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Deckers is part of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area. For routing purposes it sits in LATA 656. Numbers here keep Mountain time.
NANPA's central-office code records list ONVOY, LLC - CO (OCN 026D) as the code holder, assigned November 8, 2006. Because 303-351 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 303-351 is not proof the call came from Deckers: 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
| Prefix | Rate center | Code holder |
|---|---|---|
| 303-348 | Denver | QWEST CORPORATION |
| 303-349 | Denver | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-350 | Denver | NEW CINGULAR WIRELESS PCS, LLC |
| 303-352 | Denver | QWEST CORPORATION |
| 303-353 | Denver | COMCAST IP PHONE, LLC |
| 303-354 | Denver | TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
FAQ
Where is 303-351 located?
The prefix is assigned to the Deckers rate center in CO, area code 303. It is part of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area.
Which company owns 303-351 numbers?
ONVOY, LLC - CO 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 303-351 safe to answer?
The prefix itself says nothing about the caller. Legitimate Deckers businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.