NumberResearch Membership · Data 09/26/2026

Recent prefix assignments

360 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/26/2026

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. 43
NEW CINGULAR WIRELESS PCS, LLC - DC 28
ONVOY, LLC - CA 26
NEW CINGULAR WIRELESS PCS, LLC - IL 26
Rogers Communications Canada Inc. (Wireless) 23
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
2002-10-16 786-399 not yet reported which blocks → METROPCS, INC. 5562 PERRINE FL
2002-10-16 813-486 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 TAMPA FL
2002-10-16 850-538 not yet reported which blocks → PAETEC ITEL, LLC 829J CRAWFORDVL FL
2002-10-16 850-766 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 TALLAHASSE FL
2002-10-16 862-228 6XXX8XXX9XXX · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 POMPTONLKS NJ
2002-10-16 870-370 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STAR CITY AR
2002-10-16 870-371 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SALEM AR
2002-10-16 870-372 5XXX6XXX7XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLARENDON AR
2002-10-16 870-373 5XXX which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MELBOURNE AR
2002-10-16 870-374 6XXX7XXX8XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GOULD AR
2002-10-16 908-922 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NJ 6623 PLAINFIELD NJ
2002-10-16 908-938 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SOMERVILLE NJ
2002-10-16 941-445 1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 VENICE FL
2002-10-16 970-575 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → T-MOBILE USA, INC. 6529 FRASER CO
2002-10-16 970-576 3XXX4XXX7XXX · 2 holders which blocks → T-MOBILE USA, INC. 6529 GREELEY CO
2002-10-16 989-816 2XXX which blocks → LEVEL 3 COMMUNICATIONS, LLC - MI 6120 ELSIE MI
2002-10-15 240-291 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HAGERSTOWN MD
2002-10-15 240-344 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FREDERICK MD
2002-10-15 308-708 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → UNITED STATES CELLULAR - NE 6263 KEARNEY NE
2002-10-15 580-670 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 5813 BLACKWELL OK
2002-10-15 661-695 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7128 BKFD NORTH CA
2002-10-15 717-401 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX · 7 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - PA 4007 FAYETTEVL PA
2002-10-15 774-281 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BRIDGEWTR MA
2002-10-15 774-282 0–9 XXXall 10 · 7 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SOUTHGATE MA
2002-10-15 774-283 0–9 XXXall 10 · 6 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PLYMOUTH MA
2002-10-15 774-284 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MANSFIELD MA
2002-10-15 781-738 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NORWELL MA
2002-10-15 803-856 0XXX2XXX3XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → SUNCOM DBA T-MOBILE USA 8645 BISHOPVL SC
2002-10-15 803-857 0XXX2XXX3XXX4XXX5XXX7XXX8XXX · 5 holders which blocks → SUNCOM DBA T-MOBILE USA 8645 SANTEE SC
2002-10-15 864-784 0XXX2XXX3XXX4XXX5XXX7XXX8XXX · 2 holders which blocks → SUNCOM DBA T-MOBILE USA 8645 SENECA SC
2002-10-14 201-674 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HACKENSACK NJ
2002-10-14 201-675 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 RAMSEY NJ
2002-10-14 228-239 0XXX1XXX2XXX3XXX4XXX5XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 6396 BILOXI MS
2002-10-14 256-515 4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GADSDEN AL
2002-10-14 269-377 none assigned yet which blocks → OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 KALAMAZOO MI
2002-10-14 269-414 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX · 4 holders which blocks → METROPCS, INC. 5562 EDWARDSBG MI
2002-10-14 269-547 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 KALAMAZOO MI
2002-10-14 312-404 not yet reported which blocks → T-MOBILE USA, INC. 6529 CHICGOZN01 IL
2002-10-14 361-933 3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K ROBSTOWN TX
2002-10-14 419-419 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - OH 4863 BOWLNGGREN OH
2002-10-14 440-241 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CLEVELAND OH
2002-10-14 479-438 3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PARIS AR
2002-10-14 575-595 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 ANGEL FIRE NM
2002-10-14 623-692 5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2002-10-14 623-693 5XXX7XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2002-10-14 623-696 0XXX2XXX3XXX4XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2002-10-14 623-698 0XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2002-10-14 717-200 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - PA 4007 LOYSVILLE PA
2002-10-14 717-204 0–9 XXXall 10 · 9 holders which blocks → TWILIO INTERNATIONAL, INC. 506J NEWPORT PA
2002-10-14 717-300 0–9 XXXall 10 · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - PA 4007 SHIPPENSBG PA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/26/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.