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
New assignments by month
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-10-09 | 213-881 | T-MOBILE USA, INC. | 6529 | LSAN DA 13 | CA |
| 2024-10-09 | 279-269 | FIVE9, INC. | 598J | SCRM NORTH | CA |
| 2024-10-09 | 343-802 | Iristel Inc. | 154E | Smiths Falls | — |
| 2024-10-09 | 385-590 | T-MOBILE USA, INC. | 6529 | MURRAY | UT |
| 2024-10-09 | 442-478 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA |
| 2024-10-09 | 475-380 | EON TELECOM, INC. | 839J | DANBURY | CT |
| 2024-10-09 | 480-989 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PHOENIX | AZ |
| 2024-10-09 | 548-506 | Iristel Inc. | 154E | Owen Sound | — |
| 2024-10-09 | 548-589 | Iristel Inc. | 154E | St. Thomas | — |
| 2024-10-09 | 628-316 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNFC CNTRL | CA |
| 2024-10-09 | 645-232 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MIAMI | FL |
| 2024-10-09 | 645-234 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PERRINE | FL |
| 2024-10-09 | 689-346 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WINTERPARK | FL |
| 2024-10-09 | 742-276 | Iristel Inc. | 154E | South Pickering | — |
| 2024-10-09 | 747-374 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA |
| 2024-10-09 | 840-265 | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2024-10-09 | 840-266 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | S BERNDINO | CA |
| 2024-10-09 | 949-840 | T-MOBILE USA, INC. | 6529 | CAPITRNVLY | CA |
| 2024-10-09 | 951-745 | T-MOBILE USA, INC. | 6529 | HEMT HEMT | CA |
| 2024-10-09 | 984-391 | ONVOY SPECTRUM, LLC | 624H | HILLSBORGH | NC |
| 2024-10-08 | 227-998 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | WSHNGTNZN2 | MD |
| 2024-10-08 | 229-703 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ALBANY | GA |
| 2024-10-08 | 239-493 | FIVE9, INC. | 598J | NO NAPLES | FL |
| 2024-10-08 | 262-463 | EON TELECOM, INC. | 839J | BERGEN | WI |
| 2024-10-08 | 262-464 | EON TELECOM, INC. | 839J | BELGIUM | WI |
| 2024-10-08 | 283-228 | FIVE9, INC. | 598J | SEVEN MILE | OH |
| 2024-10-08 | 350-232 | AT&T ENTERPRISES, LLC | 516C | PINECREST | CA |
| 2024-10-08 | 414-437 | EON TELECOM, INC. | 839J | MILWAUKZN5 | WI |
| 2024-10-08 | 414-450 | EON TELECOM, INC. | 839J | MILWAUKZN4 | WI |
| 2024-10-08 | 463-319 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | BROWNSBURG | IN |
| 2024-10-08 | 504-506 | FIVE9, INC. | 598J | KENNER | LA |
| 2024-10-08 | 530-984 | AT&T ENTERPRISES, LLC | 516C | BLAIRSDEN | CA |
| 2024-10-08 | 530-985 | AT&T ENTERPRISES, LLC | 516C | GAZELLE | CA |
| 2024-10-08 | 572-245 | FIVE9, INC. | 598J | TUTTLE | OK |
| 2024-10-08 | 616-386 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | GRAND RPDS | MI |
| 2024-10-08 | 659-308 | FIVE9, INC. | 598J | BESSEMER | AL |
| 2024-10-08 | 669-358 | ONVOY SPECTRUM, LLC | 624H | SNJS WEST | CA |
| 2024-10-08 | 743-282 | FIVE9, INC. | 598J | BURLINGTON | NC |
| 2024-10-08 | 920-608 | EON TELECOM, INC. | 839J | WATERLOO | WI |
| 2024-10-08 | 920-974 | EON TELECOM, INC. | 839J | BRANDON | WI |
| 2024-10-08 | 920-978 | EON TELECOM, INC. | 839J | EDEN | WI |
| 2024-10-08 | 920-985 | EON TELECOM, INC. | 839J | CLYMAN | WI |
| 2024-10-08 | 920-995 | EON TELECOM, INC. | 839J | CLEVELAND | WI |
| 2024-10-08 | 920-998 | EON TELECOM, INC. | 839J | VAN DYNE | WI |
| 2024-10-08 | 948-228 | FIVE9, INC. | 598J | WILLIAMSBG | VA |
| 2024-10-07 | 251-492 | TELEPORT COMMUNICATIONS AMERICA, LLC - AL | 8271 | GILBERTOWN | AL |
| 2024-10-07 | 321-550 | ONVOY SPECTRUM, LLC | 624H | COCOA | FL |
| 2024-10-07 | 346-841 | EON TELECOM, INC. | 839J | BEACH CITY | TX |
| 2024-10-07 | 346-844 | EON TELECOM, INC. | 839J | DEER PARK | TX |
| 2024-10-07 | 352-880 | ONVOY SPECTRUM, LLC | 624H | KEYSTN HTS | FL |
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.