NumberResearchRecent prefix assignments
369 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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-05-11 | 435-239 | T-MOBILE USA, INC. | 6529 | BRIGHAM CY | UT |
| 2001-05-11 | 440-210 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | PAINESVL | OH |
| 2001-05-11 | 443-748 | PAETEC ITEL, LLC | 829J | MILLERSVL | MD |
| 2001-05-11 | 443-751 | PAETEC ITEL, LLC | 829J | WOODLAWN | MD |
| 2001-05-11 | 443-757 | PAETEC ITEL, LLC | 829J | ELKRIDGE | MD |
| 2001-05-11 | 443-767 | PAETEC ITEL, LLC | 829J | WORTHINGTN | MD |
| 2001-05-11 | 443-828 | PAETEC ITEL, LLC | 829J | ELLICOTTCY | MD |
| 2001-05-11 | 443-923 | PAETEC ITEL, LLC | 829J | BALTIMORE | MD |
| 2001-05-11 | 443-969 | PAETEC ITEL, LLC | 829J | ESSEX | MD |
| 2001-05-11 | 443-989 | PAETEC ITEL, LLC | 829J | GLENBURNIE | MD |
| 2001-05-11 | 605-370 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SIOUX FLS | SD |
| 2001-05-11 | 608-319 | FRONTIER NORTH INC. - WI | 0886 | DODGEVILLE | WI |
| 2001-05-11 | 608-340 | FRONTIER NORTH INC. - WI | 0886 | BRIGGSVL | WI |
| 2001-05-11 | 608-350 | FRONTIER NORTH INC. - WI | 0886 | MAUSTON | WI |
| 2001-05-11 | 608-360 | FRONTIER NORTH INC. - WI | 0886 | LOGANVILLE | WI |
| 2001-05-11 | 608-370 | UNITED STATES CELLULAR - WI | 6274 | SAUK CITY | WI |
| 2001-05-11 | 608-383 | FRONTIER NORTH INC. - WI | 0886 | RICHLD CTR | WI |
| 2001-05-11 | 740-280 | OHIO BELL TEL CO | 9321 | PHILO | OH |
| 2001-05-11 | 740-291 | OHIO BELL TEL CO | 9321 | COSHOCTON | OH |
| 2001-05-11 | 830-491 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SEGUIN | TX |
| 2001-05-11 | 830-694 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CRYSTAL CY | TX |
| 2001-05-11 | 830-715 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | LACOSTE | TX |
| 2001-05-11 | 830-783 | SOUTHWESTERN BELL | 9533 | POTEET | TX |
| 2001-05-11 | 830-856 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | WILLOWCITY | TX |
| 2001-05-11 | 830-872 | SOUTHWESTERN BELL | 9533 | EAGLE PASS | TX |
| 2001-05-11 | 863-260 | CENTURYLINK OF FLORIDA, INC. (UNITED) | 0341 | LAKEPLACID | FL |
| 2001-05-11 | 863-301 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | CLEWISTON | FL |
| 2001-05-11 | 863-303 | CENTURYLINK OF FLORIDA, INC. (UNITED) | 0341 | ARCADIA | FL |
| 2001-05-11 | 863-304 | METROPCS, INC. | 5562 | SEBRING | FL |
| 2001-05-11 | 904-395 | PAETEC ITEL, LLC | 829J | PNTVDRABCH | FL |
| 2001-05-11 | 904-452 | PAETEC ITEL, LLC | 829J | STARKE | FL |
| 2001-05-11 | 904-621 | PAETEC ITEL, LLC | 829J | ORANGEPARK | FL |
| 2001-05-11 | 904-849 | PAETEC ITEL, LLC | 829J | YULEE | FL |
| 2001-05-11 | 904-861 | PAETEC ITEL, LLC | 829J | JACKSONVL | FL |
| 2001-05-11 | 913-794 | SOUTHWESTERN BELL | 9533 | KANSASCITY | KS |
| 2001-05-11 | 937-366 | FRONTIER NORTH, INC. - OH | 0615 | WILMINGTON | OH |
| 2001-05-11 | 937-403 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HILLSBORO | OH |
| 2001-05-11 | 941-347 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | PUNTAGORDA | FL |
| 2001-05-11 | 956-561 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | BROWNSVL | TX |
| 2001-05-11 | 956-638 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | MCALLEN | TX |
| 2001-05-11 | 956-929 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | EDINBURG | TX |
| 2001-05-11 | 970-466 | N.E. COLORADO CELLULAR, INC. | 6874 | STERLING | CO |
| 2001-05-11 | 970-467 | N.E. COLORADO CELLULAR, INC. | 6874 | FORTMORGAN | CO |
| 2001-05-10 | 205-210 | METROPCS, INC. | 5562 | TUSCALOOSA | AL |
| 2001-05-10 | 207-701 | LINCOLNVILLE COMMUNICATIONS, INC. - ME | 8933 | ROCKLAND | ME |
| 2001-05-10 | 207-739 | OXFORD CNTY TELEPHONE SVC CO, DBA OXFORD NETWRKS | 5205 | NORWAY | ME |
| 2001-05-10 | 213-330 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LSAN DA 01 | CA |
| 2001-05-10 | 213-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LSAN DA 01 | CA |
| 2001-05-10 | 213-457 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LSAN DA 01 | CA |
| 2001-05-10 | 213-477 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LSAN DA 07 | CA |
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.