Prefix 303-886 — Denver, CO
Numbers in the 303-886 prefix are registered to the Denver rate center in CO, inside area code 303. The prefix is the second block of a ten-digit US number (303-886-XXXX) and pins the number to a billing locality.
Code-holder of record: NEW CINGULAR WIRELESS PCS, LLC (OCN 6010), assigned April 12, 2001. No thousands-block pooling applies here; the whole block belongs to the code holder unless numbers were ported out.
The rate center lies in the Denver-Aurora-Centennial, CO Metropolitan Statistical Area. The serving LATA is 656. Local time follows the Mountain zone.
Spoofing means this prefix on your screen doesn't guarantee a Denver caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 303-883 | Denver | NEW CINGULAR WIRELESS PCS, LLC |
| 303-884 | Denver | NEW CINGULAR WIRELESS PCS, LLC |
| 303-885 | Denver | NEW CINGULAR WIRELESS PCS, LLC |
| 303-887 | Denver | NEW CINGULAR WIRELESS PCS, LLC |
| 303-888 | Denver | NEW CINGULAR WIRELESS PCS, LLC |
| 303-889 | Denver | QWEST CORPORATION |
FAQ
Where is 303-886 located?
The prefix is assigned to the Denver rate center in CO, area code 303. It is part of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area.
Which company owns 303-886 numbers?
NEW CINGULAR WIRELESS PCS, LLC holds the code. Individual numbers may still be ported to other providers.
Is a call from 303-886 safe to answer?
The prefix itself says nothing about the caller. Legitimate Denver businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.