NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

0 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, all time — NPA 907
GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 147
ACS OF ANCHORAGE, INC. 70
ACS OF THE NORTHLAND, INC. 69
NEW CINGULAR WIRELESS PCS, LLC 64
UNITED UTILITIES, INC. 56
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
— 907-337 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-338 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-339 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 7785 ANCHORAGE AK
— 907-341 3XXX4XXX7XXX9XXX · 2 holders which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-342 2XXX5XXX7XXX9XXX which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-343 9XXX which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-344 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-345 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-346 0XXX7XXX which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-348 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-349 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-350 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
— 907-351 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
— 907-352 not yet reported which blocks → MATANUSKA TEL. ASSN., INC. 3015 WASILLA AK
— 907-353 not yet reported which blocks → ACS OF ALASKA, INC. 3022 FTWAINWRIT AK
— 907-354 not yet reported which blocks → MATANUSKA TEL. ASSN., INC. 3015 WASILLA AK
— 907-355 not yet reported which blocks → MATANUSKA TEL. ASSN., INC. 3015 WASILLA AK
— 907-356 4XXX9XXX which blocks → ACS OF ALASKA, INC. 3022 FTWAINWRIT AK
— 907-357 not yet reported which blocks → MATANUSKA TEL. ASSN., INC. 3015 WASILLA AK
— 907-358 not yet reported which blocks → UNITED UTILITIES, INC. 3023 RAMPART AK
— 907-360 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
— 907-361 not yet reported which blocks → ACS OF ALASKA, INC. 3022 FTWAINWRIT AK
— 907-362 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 6872 SEWARD AK
— 907-363 none assigned yet which blocks → OTZ TEL. COOP., INC. 3019 DEERING AK
— 907-364 not yet reported which blocks → ACS OF ALASKA, INC. 3022 JUNEAU AK
— 907-365 9XXX which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-366 not yet reported which blocks → YUKON TEL. CO., INC. 3025 TANANA AK
— 907-367 not yet reported which blocks → ASTAC WIRELESS LLC 6354 BARROW AK
— 907-368 not yet reported which blocks → ARCTIC SLOPE TEL. ASSN. COOP., INC. 3001 POINT HOPE AK
— 907-369 not yet reported which blocks → SUMMIT TEL 3028 CHNAHOTSPG AK
— 907-372 not yet reported which blocks → ACS OF ALASKA, INC. 3022 EIELSONAFB AK
— 907-373 not yet reported which blocks → MATANUSKA TEL. ASSN., INC. 3015 WASILLA AK
— 907-374 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 7785 FAIRBANKS AK
— 907-376 not yet reported which blocks → MATANUSKA TEL. ASSN., INC. 3015 WASILLA AK
— 907-377 not yet reported which blocks → ACS OF ALASKA, INC. 3022 EIELSONAFB AK
— 907-378 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 FAIRBANKS AK
— 907-380 not yet reported which blocks → ACS OF ANCHORAGE, INC. 3000 ANCHORAGE AK
— 907-383 not yet reported which blocks → INTERIOR TEL. CO., INC. 3011 SAND POINT AK
— 907-384 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 7785 FTRICHADSN AK
— 907-388 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 FAIRBANKS AK
— 907-389 not yet reported which blocks → SUMMIT TEL 3028 CLEARYSMMT AK
— 907-391 not yet reported which blocks → TELALASKA CELLULAR, INC. 588F UNALASKA AK
— 907-392 not yet reported which blocks → ALASCOM, INC. DBA AT&T ALASKA 3027 EARECKSON AK
— 907-393 not yet reported which blocks → ALASCOM, INC. DBA AT&T ALASKA 3027 EARECKSON AK
— 907-394 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 6872 SOLDOTNA AK
— 907-398 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 6872 SOLDOTNA AK
— 907-399 not yet reported which blocks → GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 6872 HOMER AK
— 907-411 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX AK
— 907-424 not yet reported which blocks → CORDOVA TEL. COOP., INC. 3007 CORDOVA AK
— 907-425 not yet reported which blocks → BRISTOL BAY CELLULAR PARTNERSHIP 6747 ST GEORGE AK

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.