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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 801-222 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-223 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-224 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-225 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-226 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-227 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-228 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-229 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-230 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-231 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-232 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-233 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-234 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-235 | QWEST CORPORATION | 9636 | PROVO | UT | |
| 801-236 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-237 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-238 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-239 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-240 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-243 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-244 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT | |
| 801-245 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-246 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-250 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-251 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | MIDVALE | UT | |
| 801-252 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-253 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-254 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-255 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-256 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-257 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-258 | QWEST CORPORATION | 9636 | SALT LAKE | UT | |
| 801-259 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 801-260 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-261 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-262 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-263 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-264 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-265 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-266 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-267 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-268 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-269 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-270 | QWEST CORPORATION | 9636 | MURRAY | UT | |
| 801-271 | SPOK, INC. | 6630 | SALT LAKE | UT | |
| 801-272 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-273 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-274 | QWEST CORPORATION | 9636 | MIDVALE | UT | |
| 801-276 | SPOK, INC. | 6630 | SALT LAKE | UT | |
| 801-277 | QWEST CORPORATION | 9636 | MIDVALE | UT |
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.