NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

3 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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 — NPA 582
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
NEW CINGULAR WIRELESS PCS, LLC - DC 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 1
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
2022-02-24 582-642 0XXX6XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J WEEDVILLE PA
2022-02-18 582-622 0XXX1XXX2XXX6XXX8XXX · 4 holders which blocks → TON80 COMMUNICATIONS, LLC 516J SNOW SHOE PA
2022-02-17 582-546 0XXX4XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J SIGEL PA
2022-02-07 582-453 0XXX1XXX3XXX4XXX7XXX8XXX · 4 holders which blocks → TON80 COMMUNICATIONS, LLC 516J MAHAFFEY PA
2022-01-18 582-426 0XXX4XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J LUDLOW PA
2022-01-14 582-207 0–9 XXXall 10 · 4 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J HOLLIDYSBG PA
2022-01-11 582-837 0XXX1XXX4XXX · 3 holders which blocks → TON80 COMMUNICATIONS, LLC 516J KERSEY PA
2022-01-10 582-422 0–9 XXXall 10 · 6 holders which blocks → TON80 COMMUNICATIONS, LLC 516J CRESSON PA
2022-01-10 582-433 0–9 XXXall 10 · 6 holders which blocks → TON80 COMMUNICATIONS, LLC 516J BRADFORD PA
2022-01-10 582-436 0–9 XXXall 10 · 6 holders which blocks → TON80 COMMUNICATIONS, LLC 516J SOMERSET PA
2022-01-09 582-895 0XXX1XXX7XXX8XXX9XXX · 4 holders which blocks → TWILIO INTERNATIONAL, INC. 506J ALTOONA PA
2022-01-07 582-208 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 REYNOLDSVL PA
2021-12-29 582-220 0–9 XXXall 10 · 3 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J STATECOLLG PA
2021-12-29 582-867 0XXX1XXX5XXX7XXX8XXX9XXX · 2 holders which blocks → COMMIO, LLC 939H ERIE PA
2021-12-17 582-205 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - PA 002F BELLEFONTE PA
2021-12-16 582-204 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BOALSBURG PA
2021-10-20 582-288 0–9 XXXall 10 · 7 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J ST MARYS PA
2021-10-20 582-822 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J ALTOONA PA
2021-10-20 582-855 0–9 XXXall 10 · 6 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J JOHNSTOWN PA
2021-10-07 582-710 0XXX1XXX2XXX3XXX4XXX9XXX · 2 holders which blocks → ONVOY SPECTRUM, LLC 624H OIL CITY PA
2021-09-24 582-322 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → METROPCS, INC. 5562 HUNTINGDON PA
2021-09-16 582-901 9XXX which blocks → ONVOY SPECTRUM, LLC 624H PENFIELD PA
2021-09-08 582-262 0–9 XXXall 10 · 5 holders which blocks → TON80 COMMUNICATIONS, LLC 516J KNOXVILLE PA
2021-08-26 582-203 0–9 XXXall 10 · 5 holders which blocks → D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 STATECOLLG PA
2021-08-03 582-558 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - PA 547E OIL CITY PA
2021-07-29 582-209 4XXX which blocks → FRONTIER COMMUNICATIONS OF BREEZEWOOD, LLC 0149 BREEZEWOOD PA
2021-07-20 582-758 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → FRACTEL, LLC 965H ALEXANDRIA PA
2021-07-20 582-842 0XXX1XXX3XXX5XXX7XXX · 5 holders which blocks → FRACTEL, LLC 965H KANE PA
2021-06-17 582-282 0XXX2XXX3XXX4XXX5XXX6XXX8XXX · 4 holders which blocks → ONVOY SPECTRUM, LLC 624H CORSICA PA
2021-06-17 582-302 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → ONVOY SPECTRUM, LLC 624H DAYTON PA
2021-06-17 582-442 0XXX1XXX4XXX5XXX6XXX9XXX · 4 holders which blocks → ONVOY SPECTRUM, LLC 624H GLENCMPBLL PA
2021-06-17 582-482 2XXX3XXX4XXX6XXX · 2 holders which blocks → ONVOY SPECTRUM, LLC 624H HAWTHORN PA
2021-06-17 582-583 0XXX2XXX3XXX4XXX5XXX6XXX7XXX · 4 holders which blocks → ONVOY SPECTRUM, LLC 624H HAZEN PA
2021-06-03 582-682 2XXX5XXX7XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J BERLIN PA
2021-05-14 582-202 0XXX1XXX2XXX4XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - PA 4007 ORBISONIA PA
2021-05-12 582-200 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX · 5 holders which blocks → FRACTEL, LLC 965H HOOVERSVL PA
2021-05-12 582-300 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → FRACTEL, LLC 965H HOUTZDALE PA
2021-05-12 582-400 0–9 XXXall 10 · 6 holders which blocks → FRACTEL, LLC 965H JOHNSTOWN PA
2021-05-12 582-465 0–9 XXXall 10 · 5 holders which blocks → FRACTEL, LLC 965H HOLLIDYSBG PA
2021-05-12 582-500 0XXX1XXX2XXX5XXX6XXX8XXX · 3 holders which blocks → FRACTEL, LLC 965H PATTON PA
2021-05-12 582-529 0XXX2XXX3XXX4XXX5XXX9XXX · 4 holders which blocks → FRACTEL, LLC 965H BARNESBORO PA
2021-05-12 582-600 0XXX1XXX2XXX5XXX6XXX8XXX · 3 holders which blocks → FRACTEL, LLC 965H BOSWELL PA
2021-05-12 582-800 0XXX8XXX which blocks → FRACTEL, LLC 965H SEWARD PA
2021-05-12 582-900 0XXX1XXX2XXX3XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → FRACTEL, LLC 965H PORTAGE PA
2021-05-11 582-201 3XXX8XXX9XXX · 2 holders which blocks → D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 BEDFORD PA
2021-05-07 582-222 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → FRACTEL, LLC 965H ELDRED PA
2021-05-07 582-333 0XXX2XXX3XXX4XXX6XXX7XXX · 6 holders which blocks → FRACTEL, LLC 965H CHERRYTREE PA
2021-05-07 582-444 0XXX1XXX3XXX4XXX5XXX8XXX · 4 holders which blocks → FRACTEL, LLC 965H HARRISNVLY PA
2021-05-07 582-666 0XXX1XXX2XXX6XXX7XXX8XXX · 4 holders which blocks → FRACTEL, LLC 965H COUDERSPT PA
2021-05-07 582-777 0–9 XXXall 10 · 5 holders which blocks → FRACTEL, LLC 965H BIG RUN PA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.