NumberResearch Membership · Data 09/22/2026

Recent prefix assignments

354 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/22/2026

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. 39
NEW CINGULAR WIRELESS PCS, LLC - IL 28
ONVOY, LLC - CA 27
NEW CINGULAR WIRELESS PCS, LLC - DC 26
ONVOY, LLC - NJ 20
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
2011-05-13 705-992 not yet reported which blocks → Rogers Communications Canada Inc. (Wireless) 8821 Sault Ste. Marie —
2011-05-13 763-220 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - MN 980E PRINCETON MN
2011-05-13 819-558 not yet reported which blocks → Cooptel 818D St-Nazaire —
2011-05-13 913-777 0–9 XXXall 10 · 6 holders which blocks → AVID COMMUNICATIONS, LLC - KS 742D KANSASCITY KS
2011-05-13 918-887 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 1165 COWETA OK
2011-05-13 954-299 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 FTLAUDERDL FL
2011-05-12 307-448 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 6566 ROCK SPG WY
2011-05-12 347-921 0–9 XXXall 10 · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - NY 997E NWYRCYZN10 NY
2011-05-12 347-954 0–9 XXXall 10 · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - NY 997E NWYRCYZN12 NY
2011-05-12 347-966 0–9 XXXall 10 · 2 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN06 NY
2011-05-12 347-969 0–9 XXXwhole prefix which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN08 NY
2011-05-12 347-979 0–9 XXXall 10 · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - NY 997E NWYRCYZN14 NY
2011-05-12 585-633 0–9 XXXall 10 · 4 holders which blocks → YMAX COMMUNICATIONS CORP. - NY 282E ROCHESTER NY
2011-05-12 808-436 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-05-12 845-443 0–9 XXXall 10 · 7 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 KINGSTON NY
2011-05-11 202-644 0–9 XXXall 10 · 4 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - DC 7529 WSHNGTNZN1 DC
2011-05-11 210-766 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL 9533 SANANTONIO TX
2011-05-11 210-768 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL 9533 SANANTONIO TX
2011-05-11 412-925 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 PTTSBGZON1 PA
2011-05-11 415-866 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 SNFC CNTRL CA
2011-05-11 415-940 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SNFC CNTRL CA
2011-05-10 201-470 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 6391 HACKENSACK NJ
2011-05-10 208-918 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - ID 192F BOISE ID
2011-05-10 226-455 not yet reported which blocks → Iristel Inc. 154E Clinton —
2011-05-10 226-909 not yet reported which blocks → Iristel Inc. 154E Owen Sound —
2011-05-10 240-343 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 6395 HANCOCK MD
2011-05-10 256-600 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - AL 072F JACKSONVL AL
2011-05-10 305-290 0–9 XXXall 10 · 4 holders which blocks → METROPCS, INC. 5562 KEYS FL
2011-05-10 317-643 0–9 XXXwhole prefix which blocks → BANDWIDTH.COM CLEC, LLC - IN 105F INDIANAPLS IN
2011-05-10 408-475 0–9 XXXwhole prefix which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E SUNNYVALE CA
2011-05-10 415-967 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E SNFC CNTRL CA
2011-05-10 450-943 not yet reported which blocks → Rogers Communications Canada Inc. (Wireless) 8821 Sorel —
2011-05-10 469-666 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F PLANO TX
2011-05-10 505-436 0–9 XXXall 10 · 6 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 FARMINGTON NM
2011-05-10 505-633 0–9 XXXwhole prefix which blocks → BANDWIDTH.COM CLEC, LLC - NM 123F ALBUQURQUE NM
2011-05-10 514-405 not yet reported which blocks → Distributel 083E Montreal —
2011-05-10 515-599 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2011-05-10 571-388 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - VA 8825 WSNGTNZN08 VA
2011-05-10 575-282 not yet reported which blocks → PLATEAU TELECOMMUNICATIONS, INC. - NM 777B TUCUMCARI NM
2011-05-10 604-774 not yet reported which blocks → Distributel 081E Vancouver —
2011-05-10 647-738 not yet reported which blocks → Distributel 082E Toronto —
2011-05-10 720-402 0–9 XXXall 10 · 3 holders which blocks → ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 3467 DENVER CO
2011-05-10 720-556 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 6567 DENVER CO
2011-05-10 720-648 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 6567 DENVER CO
2011-05-10 786-565 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - FL 982E NORTH DADE FL
2011-05-10 830-499 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ASHERTON TX
2011-05-10 925-322 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E WALNUT CRK CA
2011-05-10 949-482 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E CAPITRNVLY CA
2011-05-10 971-261 0–9 XXXall 10 · 9 holders which blocks → BANDWIDTH.COM CLEC, LLC - OR 076F MCMINNVL OR
2011-05-09 315-862 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 4 holders which blocks → WINDSTREAM NEW YORK, INC. - FULTON 0106 MARCELLUS NY

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/22/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.