NumberResearchRecent prefix assignments
380 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
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 970-725 | QWEST CORPORATION | 9636 | HTSLPHRSPG | CO | |
| 970-726 | QWEST CORPORATION | 9636 | FRASER | CO | |
| 970-728 | QWEST CORPORATION | 9636 | TELLURIDE | CO | |
| 970-731 | CENTURYTEL OF COLORADO, INC. DBA CENTURYLINK | 2208 | PAGOSA SPG | CO | |
| 970-734 | UNION TELEPHONE COMPANY | 013B | STEAMBOSPG | CO | |
| 970-735 | STONEHAM COOP. TEL. CO. | 2206 | STONEHAM | CO | |
| 970-736 | QWEST CORPORATION | 9636 | OAK CREEK | CO | |
| 970-737 | QWEST CORPORATION | 9636 | GILCREST | CO | |
| 970-739 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORTEZ | CO | |
| 970-748 | QWEST CORPORATION | 9636 | VAIL | CO | |
| 970-749 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DURANGO | CO | |
| 970-752 | QWEST CORPORATION | 9636 | DILLON | CO | |
| 970-759 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DURANGO | CO | |
| 970-761 | ONVOY, LLC - CO | 026D | STEAMBOSPG | CO | |
| 970-768 | N.E. COLORADO CELLULAR, INC. | 6874 | FORTMORGAN | CO | |
| 970-774 | HAXTUN TEL. CO. | 2190 | HAXTUN | CO | |
| 970-776 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | LOVELAND | CO | |
| 970-778 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | GRAND JCT | CO | |
| 970-785 | QWEST CORPORATION | 9636 | PLATTEVL | CO | |
| 970-791 | ONVOY, LLC - CO | 026D | LOVELAND | CO | |
| 970-795 | BANDWIDTH.COM CLEC, LLC - CO | 078F | WINDSOR | CO | |
| 970-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO | |
| 970-812 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | GRAND JCT | CO | |
| 970-819 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | STEAMBOSPG | CO | |
| 970-824 | QWEST CORPORATION | 9636 | CRAIG | CO | |
| 970-826 | QWEST CORPORATION | 9636 | CRAIG | CO | |
| 970-827 | QWEST CORPORATION | 9636 | VAIL | CO | |
| 970-834 | QWEST CORPORATION | 9636 | EATON | CO | |
| 970-835 | DELTA COUNTY TELE-COMM, INC. | 2184 | ECKERT | CO | |
| 970-840 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | BRUSH | CO | |
| 970-842 | QWEST CORPORATION | 9636 | BRUSH | CO | |
| 970-845 | QWEST CORPORATION | 9636 | VAIL | CO | |
| 970-846 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | STEAMBOSPG | CO | |
| 970-847 | QWEST CORPORATION | 9636 | HILLROSE | CO | |
| 970-848 | CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK | 2185 | YUMA | CO | |
| 970-854 | PHILLIPS COUNTY TEL. CO. | 2197 | HOLYOKE | CO | |
| 970-856 | DELTA COUNTY TELE-COMM, INC. | 2184 | CEDAREDGE | CO | |
| 970-858 | QWEST CORPORATION | 9636 | FRUITA | CO | |
| 970-859 | NUCLA-NATURITA TEL. CO. | 2193 | PARADOX | CO | |
| 970-862 | NUCLA-NATURITA TEL. CO. | 2193 | CIMARRON | CO | |
| 970-864 | NUCLA-NATURITA TEL. CO. | 2193 | NUCLA | CO | |
| 970-865 | NUCLA-NATURITA TEL. CO. | 2193 | NATURITA | CO | |
| 970-867 | QWEST CORPORATION | 9636 | FORTMORGAN | CO | |
| 970-870 | QWEST CORPORATION | 9636 | STEAMBOSPG | CO | |
| 970-871 | QWEST CORPORATION | 9636 | STEAMBOSPG | CO | |
| 970-872 | DELTA COUNTY TELE-COMM, INC. | 2184 | HOTCHKISS | CO | |
| 970-873 | UNION TELEPHONE COMPANY | 013B | WALDEN | CO | |
| 970-874 | QWEST CORPORATION | 9636 | DELTA | CO | |
| 970-875 | QWEST CORPORATION | 9636 | STEAMBOSPG | CO | |
| 970-876 | QWEST CORPORATION | 9636 | SILT | 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.