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
2021-09-13 236-902 not yet reported which blocks → ISP Telecom Inc. 4727 Bowen Island —
2021-09-13 240-852 0–9 XXXall 10 · 4 holders which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 MYERSVILLE MD
2021-09-13 269-316 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BATTLE CRK MI
2021-09-13 272-772 0–9 XXXall 10 · 4 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J SCRANTON PA
2021-09-13 445-214 0–9 XXXall 10 · 2 holders which blocks → OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 PHLDLPHZN1 PA
2021-09-13 448-500 0–9 XXXall 10 · 3 holders which blocks → FRACTEL, LLC 965H TALLAHASSE FL
2021-09-13 458-276 0–9 XXXall 10 · 6 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J ONTARIO OR
2021-09-13 458-455 0–9 XXXall 10 · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J COOS BAY OR
2021-09-13 458-544 0–9 XXXall 10 · 6 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J EUGENE OR
2021-09-13 458-588 0–9 XXXall 10 · 5 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J THE DALLES OR
2021-09-13 458-877 0–9 XXXall 10 · 5 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J LA GRANDE OR
2021-09-13 470-850 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CUMMING GA
2021-09-13 505-497 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 AZTEC NM
2021-09-13 539-399 0–9 XXXall 10 · 4 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J TULSA OK
2021-09-13 539-599 5XXX9XXX · 2 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J WATTS OK
2021-09-13 539-955 5XXX8XXX9XXX · 2 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J SOUTHELGIN OK
2021-09-13 572-522 0–9 XXXall 10 · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J OKLA CITY OK
2021-09-13 575-292 0XXX2XXX5XXX · 3 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - NM 5470 TIERRAAMRL NM
2021-09-13 619-951 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 LA MESA CA
2021-09-13 660-961 0XXX1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - MO 993E COAL MO
2021-09-13 662-879 0–9 XXXall 10 · 4 holders which blocks → COMCAST IP PHONE, LLC 318J OLIVE BRCH MS
2021-09-13 709-402 not yet reported which blocks → Iristel Inc. 154E Torbay —
2021-09-13 727-922 0–9 XXXall 10 · 5 holders which blocks → FRACTEL, LLC 965H CLEARWATER FL
2021-09-13 762-477 0–9 XXXall 10 · 6 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J CLEVELAND GA
2021-09-13 762-622 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J AUGUSTA GA
2021-09-13 779-377 0XXX1XXX7XXX · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J SO BELOIT IL
2021-09-13 779-499 0XXX1XXX2XXX3XXX7XXX8XXX9XXX · 4 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J FREEPORT IL
2021-09-13 779-577 0–9 XXXall 10 · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J ROCKFORD IL
2021-09-13 779-775 0–9 XXXall 10 · 2 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J DE KALB IL
2021-09-13 808-978 0–9 XXXall 10 · 2 holders which blocks → HD CARRIER LLC 321J HONOLULU HI
2021-09-13 840-219 0–9 XXXall 10 · 5 holders which blocks → T-MOBILE USA, INC. 6529 CALIMESA CA
2021-09-13 862-622 0–9 XXXall 10 · 5 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J NEWARK NJ
2021-09-13 929-592 0–9 XXXall 10 · 2 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN14 NY
2021-09-13 929-593 0–9 XXXall 10 · 4 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN03 NY
2021-09-13 929-594 0–9 XXXall 10 · 4 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN04 NY
2021-09-13 945-220 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2021-09-13 971-410 0–9 XXXall 10 · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J BEAVERTON OR
2021-09-10 224-417 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EVANSTON IL
2021-09-10 239-922 0–9 XXXall 10 · 4 holders which blocks → FRACTEL, LLC 965H FORT MYERS FL
2021-09-10 302-580 0–9 XXXall 10 · 3 holders which blocks → OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 DOVER DE
2021-09-10 321-566 0–9 XXXall 10 · 3 holders which blocks → FRACTEL, LLC 965H COCOA FL
2021-09-10 386-599 0XXX9XXX · 2 holders which blocks → FRACTEL, LLC 965H WELLBORN FL
2021-09-10 386-922 2XXX3XXX4XXX · 2 holders which blocks → FRACTEL, LLC 965H LURAVILLE FL
2021-09-10 386-966 5XXX6XXX · 2 holders which blocks → FRACTEL, LLC 965H BRANFORD FL
2021-09-10 573-640 0XXX1XXX · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - MO 993E SILEX MO
2021-09-10 612-473 0–9 XXXwhole prefix which blocks → ONVOY, LLC - MN 184D TWINCITIES MN
2021-09-10 689-252 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 KISSIMMEE FL
2021-09-10 726-209 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 SANANTONIO TX
2021-09-10 726-214 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 SANANTONIO TX
2021-09-10 754-544 0–9 XXXall 10 · 6 holders which blocks → FRACTEL, LLC 965H HOLLYWOOD FL

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.