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 |
|---|---|---|---|---|---|
| 970-613 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-614 | ONVOY, LLC - CO | 026D | LA SALLE | CO | |
| 970-618 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GLENWD SPG | CO | |
| 970-619 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-620 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | CRAIG | CO | |
| 970-621 | AMERICAN MESSAGING SERVICES, LLC | 9748 | BERTHOUD | CO | |
| 970-622 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-625 | QWEST CORPORATION | 9636 | RIFLE | CO | |
| 970-626 | QWEST CORPORATION | 9636 | RIDGWAY | CO | |
| 970-627 | QWEST CORPORATION | 9636 | GRAND LAKE | CO | |
| 970-629 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | CRAIG | CO | |
| 970-630 | N.E. COLORADO CELLULAR, INC. | 6874 | YUMA | CO | |
| 970-635 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-638 | QWEST CORPORATION | 9636 | YAMPA | CO | |
| 970-640 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO | |
| 970-641 | QWEST CORPORATION | 9636 | GUNNISON | CO | |
| 970-642 | QWEST CORPORATION | 9636 | GUNNISON | CO | |
| 970-645 | QWEST CORPORATION | 9636 | WELDONA | CO | |
| 970-648 | BANDWIDTH.COM CLEC, LLC - CO | 078F | GUNNISON | CO | |
| 970-653 | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | 2185 | MCCOY | CO | |
| 970-655 | UNION TELEPHONE COMPANY | 013B | GRANBY | CO | |
| 970-656 | WIGGINS TEL. ASSN. | 2209 | BRIGGSDALE | CO | |
| 970-662 | QWEST CORPORATION | 9636 | SOCHEYENNE | CO | |
| 970-663 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-664 | PLAINS COOP. TEL. ASSN., INC. | 2199 | VONASEBERT | CO | |
| 970-667 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-668 | QWEST CORPORATION | 9636 | DILLON | CO | |
| 970-669 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-670 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 3467 | BERTHOUD | CO | |
| 970-674 | QWEST CORPORATION | 9636 | WINDSOR | CO | |
| 970-675 | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | 2185 | RANGELY | CO | |
| 970-677 | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | 2185 | DOVE CREEK | CO | |
| 970-679 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-680 | ONVOY, LLC - CO | 026D | GILCREST | CO | |
| 970-681 | AMERICAN MESSAGING SERVICES, LLC | 9748 | GREELEY | CO | |
| 970-686 | QWEST CORPORATION | 9636 | WINDSOR | CO | |
| 970-689 | T-MOBILE USA, INC. | 6529 | FT COLLINS | CO | |
| 970-690 | T-MOBILE USA, INC. | 6529 | FT COLLINS | CO | |
| 970-691 | T-MOBILE USA, INC. | 6529 | FT COLLINS | CO | |
| 970-692 | T-MOBILE USA, INC. | 6529 | FT COLLINS | CO | |
| 970-700 | CO | ||||
| 970-701 | T-MOBILE USA, INC. | 6529 | CRAIG | CO | |
| 970-703 | ONVOY, LLC - CO | 026D | PLATTEVL | CO | |
| 970-704 | QWEST CORPORATION | 9636 | CARBONDALE | CO | |
| 970-708 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | TELLURIDE | CO | |
| 970-710 | T-MOBILE USA, INC. | 6529 | ASPEN | CO | |
| 970-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO | |
| 970-722 | QWEST CORPORATION | 9636 | FRASER | CO | |
| 970-723 | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | 2185 | WALDEN | CO | |
| 970-724 | QWEST CORPORATION | 9636 | KREMMLING | 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.