NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

355 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 28
NEW CINGULAR WIRELESS PCS, LLC - DC 26
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
2023-10-05 472-232 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LAURINBURG NC
2023-10-05 567-433 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LIMA OH
2023-10-05 629-297 TELEPORT COMMUNICATIONS AMERICA, LLC - TN 114F NASHVILLE TN
2023-10-05 629-567 TELEPORT COMMUNICATIONS AMERICA, LLC - TN 114F NASHVILLE TN
2023-10-05 672-963 TELUS Mobility 8301 Vancouver —
2023-10-05 769-319 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NATCHEZ MS
2023-10-05 826-225 CALLWORKS CORPORATION 475J CULPEPER VA
2023-10-05 826-228 CALLWORKS CORPORATION 475J HARRISONBG VA
2023-10-05 828-752 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 8389 ARDEN NC
2023-10-05 828-790 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HICKORY NC
2023-10-05 872-341 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN05 IL
2023-10-04 209-654 ONVOY, LLC - CA 649C TRACY CA
2023-10-04 249-450 Fibernetics Corporation 464D Blezard Valley —
2023-10-04 249-856 Fibernetics Corporation 464D Sudbury —
2023-10-04 254-525 COMMIO, LLC 939H LEROY TX
2023-10-04 254-528 COMMIO, LLC 939H WEST TX
2023-10-04 262-403 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 MILWAUKZN2 WI
2023-10-04 315-914 NORTHLAND NETWORKS, LTD. - NY 7556 UTICA NY
2023-10-04 320-519 CHARTER IP ENABLED SERVICES, LLC 792K CARLOS MN
2023-10-04 329-207 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SCOTCHTOWN NY
2023-10-04 343-634 Iristel Inc. 154E Cornwall —
2023-10-04 346-716 AERIAL COMMUNICATIONS, INC. 6701 CLEVELAND TX
2023-10-04 346-730 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 CYPRESS TX
2023-10-04 361-367 COMMIO, LLC 939H GOLIAD TX
2023-10-04 361-370 COMMIO, LLC 939H MATHIS TX
2023-10-04 361-372 COMMIO, LLC 939H WOODSBORO TX
2023-10-04 430-344 T-MOBILE USA, INC. 6529 GREENVILLE TX
2023-10-04 442-419 ONVOY, LLC - CA 649C VICTORVL CA
2023-10-04 442-428 ONVOY, LLC - CA 649C VTVL HSPR CA
2023-10-04 445-271 ONVOY, LLC - PA 547E PHPHSBZN44 PA
2023-10-04 559-874 ONVOY, LLC - CA 649C CLOVIS CA
2023-10-04 559-879 ONVOY, LLC - CA 649C VISALIA CA
2023-10-04 561-979 ONVOY, LLC - FL 937C JUPITER FL
2023-10-04 562-709 ONVOY, LLC - CA 649C NORWALK CA
2023-10-04 657-702 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2023-10-04 657-703 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 HUNTITNBCH CA
2023-10-04 657-704 ONVOY, LLC - CA 649C HUNTITNBCH CA
2023-10-04 683-687 Fibernetics Corporation 464D Sturgeon Falls —
2023-10-04 683-688 Fibernetics Corporation 464D North Bay —
2023-10-04 713-282 AERIAL COMMUNICATIONS, INC. 6701 CLEVELAND TX
2023-10-04 754-325 ONVOY, LLC - FL 937C CORAL SPG FL
2023-10-04 806-849 COMMIO, LLC 939H EARTH TX
2023-10-04 835-233 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2023-10-04 873-342 Bell Canada 984C Val-D'Or —
2023-10-04 936-380 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 CONROE TX
2023-10-04 956-759 STPCS JOINT VENTURE, LLC 4290 RAYMONDVL TX
2023-10-04 971-360 COMCAST IP PHONE, LLC 318J PORTLAND OR
2023-10-04 980-451 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CHARLOTTE NC
2023-10-04 984-352 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 RALEIGH NC
2023-10-04 984-353 ONVOY, LLC - NC 638E OXFORD NC

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.