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 |
|---|---|---|---|---|---|
| 2006-06-12 | 240-357 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | FREDERICK | MD |
| 2006-06-12 | 240-688 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | WSHNGTNZN3 | MD |
| 2006-06-12 | 315-941 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | UTICA | NY |
| 2006-06-12 | 319-263 | QWEST CORPORATION | 9631 | CEDAR RPDS | IA |
| 2006-06-12 | 334-866 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KOWALIGA | AL |
| 2006-06-12 | 347-784 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NWYRCYZN05 | NY |
| 2006-06-12 | 443-869 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | BALTIMORE | MD |
| 2006-06-12 | 519-470 | Bruce Municipal Telephone System | 038E | Owen Sound | — |
| 2006-06-12 | 519-483 | Bruce Municipal Telephone System | 038E | Southampton | — |
| 2006-06-12 | 585-698 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | ROCHESTER | NY |
| 2006-06-12 | 615-670 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | LAFAYETTE | TN |
| 2006-06-12 | 706-913 | PAETEC ITEL, LLC | 829J | DALTON | GA |
| 2006-06-12 | 716-783 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BUFFALO | NY |
| 2006-06-12 | 757-705 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | NRFOLKZON2 | VA |
| 2006-06-12 | 757-771 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | NWPTNWSZN2 | VA |
| 2006-06-12 | 803-577 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | LANCASTER | SC |
| 2006-06-12 | 804-658 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | RICHMOND | VA |
| 2006-06-12 | 910-420 | PAETEC ITEL, LLC | 829J | PINEHURST | NC |
| 2006-06-12 | 928-287 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | YUMA | AZ |
| 2006-06-12 | 937-933 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | TERREHAUTE | OH |
| 2006-06-08 | 214-406 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | GRANDPRARI | TX |
| 2006-06-08 | 217-966 | MCC TELEPHONY LLC | 593K | LOMAX | IL |
| 2006-06-08 | 217-989 | MCC TELEPHONY LLC | 593K | DALLASCITY | IL |
| 2006-06-08 | 407-431 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SANFORD | FL |
| 2006-06-08 | 418-747 | TELUS Quebec | 2243 | Quebec | — |
| 2006-06-08 | 418-749 | TELUS Quebec | 8083 | Rimouski | — |
| 2006-06-08 | 443-944 | COMCAST IP PHONE, LLC | 318J | SALISBURY | MD |
| 2006-06-08 | 443-988 | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | CENTREVL | MD |
| 2006-06-08 | 450-325 | Videotron Ltd. | 8306 | Mascouche | — |
| 2006-06-08 | 450-326 | Videotron Ltd. | 8306 | Terrebonne | — |
| 2006-06-08 | 773-979 | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2006-06-08 | 802-478 | PAETEC ITEL, LLC | 829J | WH RIV JCT | VT |
| 2006-06-08 | 802-923 | PAETEC ITEL, LLC | 829J | BURLINGTON | VT |
| 2006-06-07 | 281-605 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | HOUSTON | TX |
| 2006-06-07 | 347-308 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN15 | NY |
| 2006-06-07 | 347-768 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN07 | NY |
| 2006-06-07 | 403-475 | Shaw Telecom Inc. | 497E | Calgary | — |
| 2006-06-07 | 403-476 | Bell West Inc. | 2933 | Calgary | — |
| 2006-06-07 | 418-754 | TELUS Quebec | 2243 | St-Nicolas | — |
| 2006-06-07 | 646-761 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN01 | NY |
| 2006-06-07 | 732-425 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | METUCHEN | NJ |
| 2006-06-07 | 780-630 | Bell West Inc. | 2933 | Sherwood Park | — |
| 2006-06-07 | 862-438 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | ORANGE | NJ |
| 2006-06-07 | 973-934 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | POMPTONLKS | NJ |
| 2006-06-06 | 309-703 | MCC TELEPHONY LLC | 593K | ABINGDON | IL |
| 2006-06-06 | 309-997 | MCC TELEPHONY LLC | 593K | GOOD HOPE | IL |
| 2006-06-06 | 347-493 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN04 | NY |
| 2006-06-06 | 619-727 | UTILITY TELECOM GROUP, LLC - CA | 9262 | SNDG SNDG | CA |
| 2006-06-06 | 619-876 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SNDG SNDG | CA |
| 2006-06-06 | 708-543 | T-MOBILE USA, INC. | 6529 | CHICAGOHTS | IL |
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.