NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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 |
|---|---|---|---|---|---|
| 2008-05-13 | 832-308 | BANDWIDTH.COM CLEC, LLC - TX | 004F | HOUSTON | TX |
| 2008-05-13 | 845-545 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | WARWICK | NY |
| 2008-05-13 | 847-532 | ILLINOIS BELL TEL CO | 9329 | ALGONQUIN | IL |
| 2008-05-13 | 918-994 | LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | BROKENARRW | OK |
| 2008-05-13 | 937-985 | BANDWIDTH.COM CLEC, LLC - OH | 001F | DAYTON | OH |
| 2008-05-13 | 951-732 | METROPCS NETWORKS, LLC | 899D | RIVERSIDE | CA |
| 2008-05-13 | 952-715 | LEVEL 3 TELECOM OF MINNESOTA, LLC - MN | 5312 | TWINCITIES | MN |
| 2008-05-12 | 203-450 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 6388 | BRIDGEPORT | CT |
| 2008-05-12 | 289-844 | Primus Telecommunications Canada Inc. | 201A | Unionville | — |
| 2008-05-12 | 289-845 | Primus Telecommunications Canada Inc. | 201A | Woodbridge | — |
| 2008-05-12 | 289-846 | Primus Telecommunications Canada Inc. | 201A | Markham | — |
| 2008-05-12 | 289-847 | Primus Telecommunications Canada Inc. | 201A | Port Credit | — |
| 2008-05-12 | 289-848 | Primus Telecommunications Canada Inc. | 201A | Streetsville | — |
| 2008-05-12 | 289-849 | Primus Telecommunications Canada Inc. | 201A | Clarkson | — |
| 2008-05-12 | 347-464 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN06 | NY |
| 2008-05-12 | 438-288 | Primus Telecommunications Canada Inc. | 201A | Montreal | — |
| 2008-05-12 | 516-462 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NASSAUZN02 | NY |
| 2008-05-12 | 614-973 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DUBLIN | OH |
| 2008-05-12 | 618-855 | ONVOY, LLC | 224C | COLLINSVL | IL |
| 2008-05-12 | 631-626 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BRENTWOOD | NY |
| 2008-05-12 | 716-935 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | BUFFALO | NY |
| 2008-05-12 | 773-904 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | CHICGOZN04 | IL |
| 2008-05-12 | 803-574 | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | SUMMERTON | SC |
| 2008-05-12 | 805-819 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | LOMPOC | CA |
| 2008-05-12 | 814-855 | IDT AMERICA, CORP. - PA | 213C | MARKLESBG | PA |
| 2008-05-12 | 845-499 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NEW CITY | NY |
| 2008-05-12 | 917-285 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN09 | NY |
| 2008-05-12 | 917-829 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN14 | NY |
| 2008-05-12 | 917-832 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NWYRCYZN08 | NY |
| 2008-05-12 | 956-271 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | MISSION | TX |
| 2008-05-12 | 970-823 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | OLATHE | CO |
| 2008-05-09 | 267-535 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN1 | PA |
| 2008-05-09 | 360-334 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VANCOUVER | WA |
| 2008-05-09 | 401-649 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2008-05-09 | 484-388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | READING | PA |
| 2008-05-09 | 724-844 | WINDSTREAM PENNSYLVANIA, INC. | 0176 | SANDY LAKE | PA |
| 2008-05-09 | 912-365 | COMCAST IP PHONE, LLC | 318J | ODUM | GA |
| 2008-05-09 | 912-407 | COMCAST IP PHONE, LLC | 318J | SPRINGFLD | GA |
| 2008-05-08 | 201-815 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | FAIR LAWN | NJ |
| 2008-05-08 | 207-509 | BELL ATLANTIC MOBILE, INC | 6386 | WATERVILLE | ME |
| 2008-05-08 | 226-252 | Zayo Canada Inc. | 8304 | Maidstone | — |
| 2008-05-08 | 289-449 | Zayo Canada Inc. | 8304 | Welland | — |
| 2008-05-08 | 289-450 | Zayo Canada Inc. | 8304 | Ancaster | — |
| 2008-05-08 | 289-840 | Primus Telecommunications Canada Inc. | 201A | Aurora | — |
| 2008-05-08 | 289-841 | Primus Telecommunications Canada Inc. | 201A | Newmarket | — |
| 2008-05-08 | 289-842 | Primus Telecommunications Canada Inc. | 201A | Richmond Hill | — |
| 2008-05-08 | 289-843 | Primus Telecommunications Canada Inc. | 201A | Thornhill | — |
| 2008-05-08 | 302-357 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DE | 6393 | WILMINGTON | DE |
| 2008-05-08 | 317-530 | BRIGHTSPEED OF INDIANA, LLC | 0832 | WHITELAND | IN |
| 2008-05-08 | 443-630 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 6395 | BALTIMORE | MD |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.