NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 970-418 | METROPCS, INC. | 5562 | DILLON | CO | |
| 970-419 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-420 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | FT COLLINS | CO | |
| 970-421 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | STEAMBOSPG | CO | |
| 970-426 | T-MOBILE USA, INC. | 6529 | DURANGO | CO | |
| 970-427 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | FORTMORGAN | CO | |
| 970-429 | QWEST CORPORATION | 9636 | ASPEN | CO | |
| 970-434 | QWEST CORPORATION | 9636 | GRAND JCT | CO | |
| 970-435 | QWEST CORPORATION | 9636 | SO LARAMIE | CO | |
| 970-437 | WIGGINS TEL. ASSN. | 2209 | NEW RAYMER | CO | |
| 970-440 | ONVOY, LLC - CO | 026D | RIFLE | CO | |
| 970-441 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | FORTMORGAN | CO | |
| 970-444 | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | BAYFIELD | CO | |
| 970-445 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | VAIL | CO | |
| 970-447 | ONVOY, LLC - CO | 026D | FRASER | CO | |
| 970-448 | GREAT PLAINS COMMUNICATIONS, INC. | 1577 | W VENANGO | CO | |
| 970-449 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 3467 | FT COLLINS | CO | |
| 970-453 | QWEST CORPORATION | 9636 | BRECKENRDG | CO | |
| 970-454 | QWEST CORPORATION | 9636 | EATON | CO | |
| 970-461 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-463 | QWEST CORPORATION | 9636 | JULESBURG | CO | |
| 970-464 | QWEST CORPORATION | 9636 | PALISADE | CO | |
| 970-468 | QWEST CORPORATION | 9636 | DILLON | CO | |
| 970-470 | T-MOBILE USA, INC. | 6529 | VAIL | CO | |
| 970-471 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | VAIL | CO | |
| 970-472 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-474 | QWEST CORPORATION | 9636 | JULESBURG | CO | |
| 970-476 | QWEST CORPORATION | 9636 | VAIL | CO | |
| 970-477 | QWEST CORPORATION | 9636 | VAIL | CO | |
| 970-479 | QWEST CORPORATION | 9636 | VAIL | CO | |
| 970-480 | BANDWIDTH.COM CLEC, LLC - CO | 078F | ESTES PARK | CO | |
| 970-481 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FT COLLINS | CO | |
| 970-482 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-483 | WIGGINS TEL. ASSN. | 2209 | WIGGINS | CO | |
| 970-484 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-485 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DILLON | CO | |
| 970-486 | METROPCS, INC. | 5562 | DILLON | CO | |
| 970-487 | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | 2185 | COLLBRAN | CO | |
| 970-490 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-491 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-493 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-494 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-495 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-496 | QWEST CORPORATION | 9636 | DILLON | CO | |
| 970-498 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-506 | QWEST CORPORATION | 9636 | GREELEY | CO | |
| 970-509 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | FRASER | CO | |
| 970-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO | |
| 970-513 | QWEST CORPORATION | 9636 | DILLON | CO | |
| 970-515 | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.