NumberResearch Membership · Data 09/30/2026

Recent prefix assignments

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

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
Rogers Communications Canada Inc. (Wireless) 46
8X8, INC. 43
NEW CINGULAR WIRELESS PCS, LLC - DC 28
NEW CINGULAR WIRELESS PCS, LLC - IL 23
ONVOY, LLC - CA 19
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
2019-06-17 782-245 not yet reported which blocks → TELUS Integrated Communications 2782 Glace Bay —
2019-06-17 782-246 not yet reported which blocks → TELUS Integrated Communications 2782 North Sydney —
2019-06-17 782-247 not yet reported which blocks → TELUS Integrated Communications 2782 Berwick —
2019-06-17 782-248 not yet reported which blocks → TELUS Integrated Communications 2782 Sydney —
2019-06-17 782-249 not yet reported which blocks → TELUS Integrated Communications 2782 New Waterford —
2019-06-17 782-357 not yet reported which blocks → TELUS Integrated Communications 2782 Yarmouth —
2019-06-17 786-699 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - FL 982E NORTH DADE FL
2019-06-17 912-446 0–9 XXXall 10 · 6 holders which blocks → VOIP INNOVATIONS, LLC 597F SAVANNAH GA
2019-06-17 936-935 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → ONVOY, LLC - TX 903C NORTHZULCH TX
2019-06-17 936-937 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 5 holders which blocks → ONVOY, LLC - TX 903C HILLTOPLKS TX
2019-06-17 936-939 0XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 5 holders which blocks → ONVOY, LLC - TX 903C IOLA TX
2019-06-17 940-340 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - TX 903C BONITA TX
2019-06-17 940-350 0XXX1XXX2XXX3XXX4XXX5XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - TX 903C MONTAGUE TX
2019-06-17 940-360 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - TX 903C RINGGOLD TX
2019-06-17 940-370 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - TX 903C SPANISH FT TX
2019-06-17 980-423 0–9 XXXall 10 · 5 holders which blocks → VOIP INNOVATIONS, LLC 597F CHARLOTTE NC
2019-06-14 228-529 0–9 XXXall 10 · 3 holders which blocks → COMMIO, LLC 939H BILOXI MS
2019-06-14 314-476 0–9 XXXall 10 · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - MO 993E ST LOUIS MO
2019-06-14 343-502 not yet reported which blocks → Iristel Inc. 346J Ottawa-Hull —
2019-06-14 506-407 not yet reported which blocks → Iristel Inc. 346J Moncton —
2019-06-14 607-313 0–9 XXXall 10 · 4 holders which blocks → VOIP INNOVATIONS, LLC 597F BINGHAMTON NY
2019-06-14 623-259 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - AZ 3285 PHOENIX AZ
2019-06-14 669-295 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E SNJS WEST CA
2019-06-14 709-708 not yet reported which blocks → Iristel Inc. 346J Clarenville —
2019-06-14 825-514 not yet reported which blocks → TELUS 8084 Edmonton —
2019-06-14 902-506 not yet reported which blocks → Iristel Inc. 346J Halifax —
2019-06-14 959-867 0–9 XXXall 10 · 4 holders which blocks → COMMIO, LLC 939H HARTFORD CT
2019-06-14 980-315 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONROE NC
2019-06-13 205-899 0–9 XXXall 10 · 2 holders which blocks → COMMIO, LLC 939H BIRMINGHAM AL
2019-06-13 438-291 not yet reported which blocks → Bell Mobility 6574 Montreal —
2019-06-13 438-292 not yet reported which blocks → Bell Mobility 6574 Montreal —
2019-06-13 438-293 not yet reported which blocks → Bell Mobility 6574 Montreal —
2019-06-13 438-294 not yet reported which blocks → Bell Mobility 6574 Montreal —
2019-06-13 438-297 not yet reported which blocks → Bell Mobility 6574 Montreal —
2019-06-13 647-596 not yet reported which blocks → Bell Mobility 6574 Toronto —
2019-06-13 769-867 0–9 XXXall 10 · 4 holders which blocks → COMMIO, LLC 939H JACKSON MS
2019-06-13 838-210 0–9 XXXwhole prefix which blocks → LTE WIRELESS INC D/B/A LTE WIRELESS - NY 452J MILLERTON NY
2019-06-12 302-496 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - DE 4801 NEWARK DE
2019-06-12 440-598 3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - OH 464C BIRMINGHAM OH
2019-06-12 469-669 0–9 XXXall 10 · 6 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARROLLTON TX
2019-06-12 469-691 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 7 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 CARROLLTON TX
2019-06-12 501-363 0–9 XXXall 10 · 2 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - AR 802C HOTSPRINGS AR
2019-06-12 651-867 0–9 XXXall 10 · 3 holders which blocks → COMMIO, LLC 939H TWINCITIES MN
2019-06-12 720-779 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - CO 078F DENVER CO
2019-06-12 725-780 0–9 XXXall 10 · 3 holders which blocks → COMCAST IP PHONE, LLC 318J LAS VEGAS NV
2019-06-12 878-728 0XXX1XXX2XXX4XXX7XXX8XXX9XXX · 2 holders which blocks → ONVOY, LLC - PA 547E GIBSONIA PA
2019-06-12 904-523 0–9 XXXall 10 · 3 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 JACKSONVL FL
2019-06-11 208-560 1XXX which blocks → MUD LAKE TELEPHONE COOPERATIVE ASSOCIATION, INC. 2227 DUBOIS ID
2019-06-11 501-361 0–9 XXXall 10 · 4 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - AR 802C BRYANTCGVL AR
2019-06-11 605-975 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - SD 162G YANKTON SD

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/30/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.