NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
8X8, INC. 38
ONVOY, LLC - CA 31
NEW CINGULAR WIRELESS PCS, LLC - IL 31
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - NJ 18
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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2001-09-13 407-264 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 ORLANDO FL
2001-09-13 480-217 NEW CINGULAR WIRELESS PCS, LLC 6010 PHOENIX AZ
2001-09-13 602-349 T-MOBILE USA, INC. 6529 PHOENIX AZ
2001-09-13 602-434 NEW CINGULAR WIRELESS PCS, LLC 6010 PHOENIX AZ
2001-09-13 602-435 NEW CINGULAR WIRELESS PCS, LLC 6010 PHOENIX AZ
2001-09-13 612-559 AERIAL COMMUNICATIONS, INC. 6701 TWINCITIES MN
2001-09-13 704-299 SUNCOM DBA T-MOBILE USA 8645 CHARLOTTE NC
2001-09-13 706-406 BANDWIDTH.COM CLEC, LLC - GA 983E ROSSVILLE GA
2001-09-13 716-994 OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BUFFALO NY
2001-09-13 757-660 METROPCS, INC. 5562 NWPTNWSZN1 VA
2001-09-13 773-750 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
2001-09-13 774-469 BANDWIDTH.COM CLEC, LLC - MA 990E MEDFIELD MA
2001-09-13 774-573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 MILFORD MA
2001-09-13 774-993 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 MILLIS MA
2001-09-13 781-804 PAETEC ITEL, LLC 829J HINGHAM MA
2001-09-13 812-610 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 WASHINGTON IN
2001-09-13 814-361 LEVEL 3 COMMUNICATIONS, LLC - PA 4007 JOHNSTOWN PA
2001-09-13 831-383 METROPCS, INC. 5562 MONTEREY CA
2001-09-13 831-794 METROPCS, INC. 5562 SALINAS CA
2001-09-13 832-830 SOUTHWESTERN BELL 9533 HOUSTON TX
2001-09-13 858-229 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SNDG MRMS CA
2001-09-13 858-472 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RNCHOBRNDO CA
2001-09-13 870-872 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2001-09-13 906-743 TELNET WORLDWIDE, INC. 817J TROUT LAKE MI
2001-09-13 906-760 TELNET WORLDWIDE, INC. 4632 REPUBLIC MI
2001-09-13 912-670 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 6540 WAYCROSS GA
2001-09-13 940-532 LEVEL 3 COMMUNICATIONS, LLC - TX 6114 GRAHAM TX
2001-09-13 978-604 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WILMINGTON MA
2001-09-12 208-794 T-MOBILE USA, INC. 6529 BOISE ID
2001-09-12 214-966 T-MOBILE USA, INC. 6529 GRANDPRARI TX
2001-09-12 319-406 AT&T - LOCAL 7421 DENVER IA
2001-09-12 469-443 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 PLANO TX
2001-09-12 570-274 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 SUNBURY PA
2001-09-12 641-224 LOCAL TELEPHONE DATA SERVICES CORP. 2842 SIGOURNEY IA
2001-09-12 641-225 LOCAL TELEPHONE DATA SERVICES CORP. 2842 EDDYVILLE IA
2001-09-12 651-689 PAETEC ITEL, LLC 829J STILLWATER MN
2001-09-12 662-510 LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS 220C MEMPHIS MS
2001-09-12 704-461 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 7858 BELMONT NC
2001-09-12 706-351 METROPCS, INC. 5562 ATHENS GA
2001-09-12 763-231 ONVOY, LLC - MN 184D TWINCITIES MN
2001-09-12 787-543 METROPCS, INC. 5562 GUAYANILLA PR
2001-09-12 787-557 METROPCS, INC. 5562 CAYEY PR
2001-09-12 787-929 SUNCOM DBA T-MOBILE USA 8645 ARROYO PR
2001-09-12 831-207 T-MOBILE USA, INC. 6529 HOLLISTER CA
2001-09-12 903-943 SPOK, INC. 6630 SHERMAN TX
2001-09-11 213-268 T-MOBILE USA, INC. 6529 LSAN DA 01 CA
2001-09-11 339-214 CENTURYLINK COMMUNICATIONS, LLC 508J NORWELL MA
2001-09-11 562-682 T-MOBILE USA, INC. 6529 LONG BEACH CA
2001-09-11 970-672 LEVEL 3 COMMUNICATIONS, LLC - CO 6118 FT COLLINS CO
2001-09-11 970-673 LEVEL 3 COMMUNICATIONS, LLC - CO 6118 GREELEY CO

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.