NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

338 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

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

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, last 30 days
8X8, INC. 38
NEW CINGULAR WIRELESS PCS, LLC - IL 28
ONVOY, LLC - CA 26
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-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
2002-12-05 418-221 not yet reported which blocks → TELUS Quebec 8083 Saint-Georges-de-Beauce —
2002-12-05 418-357 not yet reported which blocks → TELUS Quebec 8083 Saint-Pamphile —
2002-12-05 418-532 not yet reported which blocks → TELUS Quebec 8083 Havre-Saint-Pierre —
2002-12-05 418-556 not yet reported which blocks → TELUS Quebec 8083 Matane —
2002-12-05 418-586 not yet reported which blocks → TELUS Quebec 8083 Forestville —
2002-12-05 418-783 not yet reported which blocks → TELUS Quebec 8083 Perce —
2002-12-05 423-522 0XXX1XXX8XXX9XXX · 2 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 MORRISTOWN TN
2002-12-05 814-889 0–9 XXXall 10 · 4 holders which blocks → CORE COMMUNICATIONS, INC. - PA 3806 ALTOONA PA
2002-12-05 907-699 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 6872 FAIRBANKS AK
2002-12-04 229-442 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → SOUTHERN COMMUNICATIONS SERVICES, INC. 6744 BAINBRIDGE GA
2002-12-04 229-443 1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → SOUTHERN COMMUNICATIONS SERVICES, INC. 6744 CORDELE GA
2002-12-04 229-445 2XXX3XXX7XXX8XXX9XXX · 4 holders which blocks → SOUTHERN COMMUNICATIONS SERVICES, INC. 6744 TIFTON GA
2002-12-04 432-202 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 ODESSA TX
2002-12-04 478-488 2XXX3XXX4XXX7XXX8XXX9XXX · 4 holders which blocks → SOUTHERN COMMUNICATIONS SERVICES, INC. 6744 DUBLIN GA
2002-12-04 509-699 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → WESTGATE COMMUNICATIONS, LLC DBA WEAVTEL - WA 580D WENATCHEE WA
2002-12-04 706-844 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → PAETEC ITEL, LLC 829J ROME GA
2002-12-04 843-598 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 LAKE CITY SC
2002-12-04 843-599 7XXX8XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 WALTERBORO SC
2002-12-04 870-201 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 9 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 NEWPORT AR
2002-12-04 870-202 1XXX2XXX3XXX4XXX5XXX6XXX7XXX · 6 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 POCAHONTAS AR
2002-12-04 973-573 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEWARK NJ
2002-12-03 318-436 0XXX2XXX3XXX4XXX5XXX7XXX8XXX · 3 holders which blocks → METROPCS, INC. 5562 RUSTON LA
2002-12-03 318-527 0XXX3XXX4XXX · 3 holders which blocks → METROPCS, INC. 5562 NATCHITCHS LA
2002-12-03 325-215 1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 JUNCTION TX
2002-12-03 325-216 3XXX4XXX5XXX · 2 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 LLANO TX
2002-12-03 325-218 1XXX2XXX3XXX5XXX6XXX8XXX9XXX · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 MASON TX
2002-12-03 608-851 1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 MONROE WI
2002-12-03 608-852 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 MADISON WI
2002-12-03 956-433 0XXX2XXX3XXX4XXX5XXX · 4 holders which blocks → STPCS JOINT VENTURE, LLC 4290 PORTISABEL TX
2002-12-03 956-434 0XXX4XXX which blocks → STPCS JOINT VENTURE, LLC 4290 LOSFRESNOS TX
2002-12-02 413-899 3XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - MA 892D SO DEERFLD MA
2002-12-02 956-655 none assigned yet which blocks → STPCS JOINT VENTURE, LLC 4290 MCALLEN TX
2002-11-30 567-229 0–9 XXXall 10 · 3 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K DUNKIRK OH
2002-11-29 613-885 not yet reported which blocks → TELUS Mobility 8303 Belleville —
2002-11-27 314-200 0–9 XXXall 10 · 4 holders which blocks → CHARTER IP ENABLED SERVICES, LLC 792K MEHLVILLE MO
2002-11-27 334-316 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - AL 072F CLAYTON AL
2002-11-27 334-403 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 TROY AL
2002-11-27 563-345 not yet reported which blocks → CS TECHNOLOGIES, INC. - IA 204A DAVENPORT IA
2002-11-27 904-226 0–9 XXXwhole prefix which blocks → POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2002-11-27 904-228 0–9 XXXall 10 · 2 holders which blocks → POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2002-11-26 318-394 1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → METROPCS, INC. 5562 RUSTON LA
2002-11-26 717-557 0–9 XXXall 10 · 3 holders which blocks → CORE COMMUNICATIONS, INC. - PA 3806 HARISBGZN1 PA
2002-11-26 928-209 not yet reported which blocks → SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 4146 PAGE AZ
2002-11-25 607-244 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NORWICH NY
2002-11-25 806-200 3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LAMESA TX
2002-11-25 806-201 6XXX7XXX8XXX9XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 TAHOKA TX
2002-11-25 940-200 2XXX4XXX7XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 ASPERMONT TX
2002-11-25 940-203 3XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 MUNDAY TX
2002-11-24 740-466 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHILLICOTH OH
2002-11-22 204-880 not yet reported which blocks → TELUS Mobility 8303 Winnipeg —

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.