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
2002-12-27 614-553 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DUBLIN OH
2002-12-27 717-769 0–9 XXXall 10 · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - PA 4007 LEBANON PA
2002-12-27 763-229 9XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 TWINCITIES MN
2002-12-27 952-237 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 TWINCITIES MN
2002-12-26 218-428 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DULUTH MN
2002-12-26 256-501 0XXX1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 6 holders which blocks → METROPCS, INC. 5562 ATHENS AL
2002-12-26 402-838 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → AERIAL COMMUNICATIONS, INC. 6701 TEKAMAH NE
2002-12-26 662-599 0XXX2XXX3XXX4XXX5XXX6XXX7XXX · 4 holders which blocks → POWERTEL MEMPHIS LICENSES, INC. 7474 GREENVILLE MS
2002-12-23 479-202 1XXX2XXX3XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - AR 5179 ROGERS AR
2002-12-23 501-205 2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - AR 5179 CONWAY AR
2002-12-23 870-390 0XXX1XXX3XXX4XXX5XXX7XXX8XXX · 6 holders which blocks → T-MOBILE USA, INC. 6529 CAMDEN AR
2002-12-23 902-244 not yet reported which blocks → Aliant Telecom (NS) 8089 Halifax —
2002-12-20 414-534 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MILWAUKZN3 WI
2002-12-20 828-558 1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - NC 3235 WAYNESVL NC
2002-12-19 204-471 not yet reported which blocks → MTS Inc. 991B Winnipeg —
2002-12-19 250-268 not yet reported which blocks → TELUS Mobility 8301 Nanaimo —
2002-12-19 318-463 0XXX1XXX2XXX6XXX7XXX8XXX9XXX which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 OAKDALE LA
2002-12-19 318-482 0XXX which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 TALLULAH LA
2002-12-19 337-213 0XXX1XXX2XXX9XXX · 2 holders which blocks → METROPCS, INC. 5562 LEESVILLE LA
2002-12-19 337-343 0XXX1XXX2XXX3XXX8XXX9XXX · 4 holders which blocks → METROPCS, INC. 5562 DE RIDDER LA
2002-12-19 403-829 not yet reported which blocks → Bell Mobility 6574 Calgary —
2002-12-19 413-212 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PITTSFIELD MA
2002-12-19 418-933 not yet reported which blocks → Bell Mobility 6574 Quebec —
2002-12-19 613-858 not yet reported which blocks → Bell Mobility 6574 Ottawa-Hull —
2002-12-19 709-690 not yet reported which blocks → Bell Mobility Aliant 329A St. John's —
2002-12-19 709-746 not yet reported which blocks → TELUS Mobility 8303 St. John's —
2002-12-19 709-752 not yet reported which blocks → Aliant Telecom (NF) 8085 St. John's —
2002-12-19 778-839 not yet reported which blocks → Bell Mobility 6574 Vancouver —
2002-12-19 814-564 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TITUSVILLE PA
2002-12-19 850-344 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 FTWALTNBCH FL
2002-12-19 863-588 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - FL 4802 HAINESCITY FL
2002-12-19 912-272 not yet reported which blocks → POWERTEL ATLANTA LICENSES, INC. 7473 SAVANNAH GA
2002-12-19 972-200 0–9 XXXall 10 · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 SEAGOVILLE TX
2002-12-19 973-440 0–9 XXXall 10 · 6 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 7142 NETCONG NJ
2002-12-19 985-253 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → METROPCS, INC. 5562 MORGANCITY LA
2002-12-19 989-282 0XXX1XXX2XXX3XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - MI 6120 FAIRGROVE MI
2002-12-18 706-716 3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 6540 TOCCOA GA
2002-12-18 706-717 2XXX3XXX4XXX5XXX6XXX7XXX · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 6540 RUTLEDGE GA
2002-12-18 717-784 0–9 XXXwhole prefix which blocks → CORE COMMUNICATIONS, INC. - PA 3806 MILLERSTN PA
2002-12-18 717-785 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → CORE COMMUNICATIONS, INC. - PA 3806 BLRDGSUMMT PA
2002-12-18 862-266 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 6391 NEWTON NJ
2002-12-18 912-332 1XXX4XXX5XXX7XXX8XXX · 3 holders which blocks → POWERTEL ATLANTA LICENSES, INC. 7473 HINESVILLE GA
2002-12-18 970-433 1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → T-MOBILE USA, INC. 6529 GRAND JCT CO
2002-12-18 980-297 0–9 XXXall 10 · 2 holders which blocks → SPRINGBOARD TELECOM, LLC - NC 9412 CHARLOTTE NC
2002-12-17 219-809 0–9 XXXall 10 · 7 holders which blocks → ACME COMMUNICATIONS, INC. - IN 9303 MICHIGANCY IN
2002-12-17 251-229 4XXX5XXX7XXX8XXX which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 ATMORE AL
2002-12-17 253-944 1XXX9XXX · 2 holders which blocks → QWEST CORPORATION 9638 TACOMAWVLY WA
2002-12-17 330-470 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - OH 4863 NO CANTON OH
2002-12-17 614-423 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - OH 4863 WESTERVL OH
2002-12-17 614-452 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - OH 4863 REYNOLDSBG OH

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.