NumberResearchRecent prefix assignments
366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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 |
|---|---|---|---|---|---|
| 2006-04-03 | 514-533 | ISP Telecom Inc. | 4727 | Roxboro | — |
| 2006-04-03 | 514-534 | ISP Telecom Inc. | 4727 | Pointe-Claire | — |
| 2006-04-03 | 514-535 | ISP Telecom Inc. | 4727 | Ste-Genevieve | — |
| 2006-04-03 | 514-536 | ISP Telecom Inc. | 4727 | Ile-Perrot | — |
| 2006-04-03 | 585-531 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NAPLES | NY |
| 2006-04-03 | 714-661 | METROPCS NETWORKS, LLC | 899D | SANTA ANA | CA |
| 2006-04-01 | 320-350 | MCC TELEPHONY OF MINNESOTA, LLC - MN | 719F | DANUBE | MN |
| 2006-03-31 | 424-750 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | INGLEWOOD | CA |
| 2006-03-31 | 480-278 | SADDLEBACK COMMUNICATIONS COMPANY - AZ | 7991 | PHOENIX | AZ |
| 2006-03-31 | 507-596 | MCC TELEPHONY OF MINNESOTA, LLC - MN | 719F | FAIRFAX | MN |
| 2006-03-31 | 541-818 | COMCAST IP PHONE, LLC | 318J | SWEET HOME | OR |
| 2006-03-31 | 612-886 | CHARTER IP ENABLED SERVICES, LLC | 792K | TWINCITIES | MN |
| 2006-03-31 | 862-244 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | DOVER | NJ |
| 2006-03-31 | 914-255 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSCHSTZN04 | NY |
| 2006-03-31 | 979-402 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BRYAN | TX |
| 2006-03-30 | 207-612 | CRC COMMUNICATIONS OF MAINE, INC. - ME | 1255 | SKOWHEGAN | ME |
| 2006-03-30 | 251-655 | METROPCS, INC. | 5562 | ATMORE | AL |
| 2006-03-30 | 318-737 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MONROE | LA |
| 2006-03-30 | 318-914 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MONROE | LA |
| 2006-03-30 | 402-908 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | YORK | NE |
| 2006-03-30 | 406-393 | CHARTER IP ENABLED SERVICES, LLC | 792K | SOMERS | MT |
| 2006-03-30 | 424-901 | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2006-03-30 | 502-224 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LOUISVILLE | KY |
| 2006-03-30 | 502-356 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LOUISVILLE | KY |
| 2006-03-30 | 502-408 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LOUISVILLE | KY |
| 2006-03-30 | 507-778 | MCC TELEPHONY LLC | 593K | ARLINGTON | MN |
| 2006-03-30 | 520-437 | XO ARIZONA, INC. | 4793 | TUCSON | AZ |
| 2006-03-30 | 631-559 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BRENTWOOD | NY |
| 2006-03-30 | 734-607 | AMERICAN BROADBAND AND TELECOMMS COMPANY - MI | 356D | LAMBERTVL | MI |
| 2006-03-30 | 760-615 | XO CALIFORNIA, INC. | 7262 | PAUMA VLY | CA |
| 2006-03-30 | 760-810 | CHARTER IP ENABLED SERVICES, LLC | 792K | VTVL APVY | CA |
| 2006-03-30 | 801-662 | ONVOY, LLC - UT | 871E | SALT LAKE | UT |
| 2006-03-30 | 857-226 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | NEWTON | MA |
| 2006-03-30 | 859-270 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LEXINGTON | KY |
| 2006-03-29 | 224-233 | FIRST COMMUNICATIONS, LLC | 460K | SKOKIE | IL |
| 2006-03-29 | 240-520 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | HAGERSTOWN | MD |
| 2006-03-29 | 334-654 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | DEMOPOLIS | AL |
| 2006-03-29 | 410-304 | IDT AMERICA, CORP. - MD | 228C | QUEENSTOWN | MD |
| 2006-03-29 | 450-361 | Bell Canada | 8050 | Granby | — |
| 2006-03-29 | 514-532 | ISP Telecom Inc. | 4727 | Lachine | — |
| 2006-03-29 | 601-493 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NATCHEZ | MS |
| 2006-03-29 | 601-600 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MCCOMB | MS |
| 2006-03-29 | 662-825 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | AMORY | MS |
| 2006-03-29 | 731-205 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | RUTHERFORD | TN |
| 2006-03-29 | 731-404 | TWC IP ENABLED SERVICES, LLC | 793K | BRADFORD | TN |
| 2006-03-29 | 774-627 | METROPCS, INC. | 5562 | FALL RIVER | MA |
| 2006-03-29 | 778-588 | Primus Telecommunications Canada Inc. | 201A | Vancouver | — |
| 2006-03-29 | 867-332 | Bell Mobility | 6574 | Whitehorse | — |
| 2006-03-29 | 947-206 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
| 2006-03-29 | 947-309 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ORTONVILLE | MI |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.