NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

1 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 828
METROPCS, INC. 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
2022-09-07 828-860 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - NC 638E NEWLAND NC
2022-07-05 828-878 0XXX7XXX8XXX9XXX · 4 holders which blocks → AT&T - LOCAL 7421 CLAREMONT NC
2022-06-07 828-709 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 HICKORY NC
2022-05-16 828-480 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HICKORY NC
2022-04-15 828-427 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MORGANTON NC
2022-03-10 828-727 7XXX9XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J MAIDEN NC
2022-03-07 828-998 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX · 4 holders which blocks → COMMIO, LLC 939H ASHEVILLE NC
2022-02-17 828-637 0XXX1XXX2XXX6XXX8XXX9XXX · 4 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J MARS HILL NC
2022-02-10 828-763 0XXX6XXX8XXX · 3 holders which blocks → TON80 COMMUNICATIONS, LLC 516J BLOWING RK NC
2022-02-02 828-660 0XXX1XXX4XXX8XXX9XXX · 3 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J ASHEVILLE NC
2022-01-26 828-603 0XXX1XXX2XXX · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - NC 998E LIBERTY-CH NC
2022-01-26 828-723 0–9 XXXall 10 · 3 holders which blocks → TON80 COMMUNICATIONS, LLC 516J MORGANTON NC
2022-01-24 828-661 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HICKORY NC
2022-01-21 828-895 0XXX1XXX8XXX9XXX · 3 holders which blocks → TWILIO INTERNATIONAL, INC. 506J ASHEVILLE NC
2022-01-20 828-596 0XXX1XXX2XXX5XXX6XXX8XXX9XXX · 5 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - NC 8389 BLACK MT NC
2022-01-10 828-203 0–9 XXXall 10 · 5 holders which blocks → PAETEC ITEL, LLC 829J ASHEVILLE NC
2021-11-18 828-647 0–9 XXXall 10 · 6 holders which blocks → BANDWIDTH.COM CLEC, LLC - NC 998E CANTON NC
2021-10-21 828-500 0–9 XXXall 10 · 4 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J ASHEVILLE NC
2021-09-01 828-590 0–9 XXXall 10 · 7 holders which blocks → CSC VOICE, LLC 612K FAIRVIEW NC
2021-09-01 828-642 0–9 XXXall 10 · 6 holders which blocks → CSC VOICE, LLC 612K HENDERSNVL NC
2021-08-30 828-617 0XXX1XXX2XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → NUSO, LLC 478J ASHEVILLE NC
2021-07-27 828-570 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 6 holders which blocks → IP HORIZON LLC 515J ASHEVILLE NC
2021-06-25 828-574 0–9 XXXall 10 · 2 holders which blocks → CSC VOICE, LLC 612K ASHEVILLE NC
2021-06-25 828-607 0–9 XXXall 10 · 3 holders which blocks → CSC VOICE, LLC 612K MORGANTON NC
2021-05-21 828-594 0XXX2XXX3XXX4XXX5XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - NC 3235 HAYESVILLE NC
2021-05-14 828-643 0XXX1XXX3XXX5XXX6XXX8XXX9XXX · 2 holders which blocks → UNITED STATES CELLULAR - NC 6282 BURNSVILLE NC
2021-05-06 828-663 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → TELNYX LLC 073H TAYLORSVL NC
2021-04-30 828-591 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MURPHY NC
2021-04-15 828-903 0–9 XXXall 10 · 2 holders which blocks → ONVOY SPECTRUM, LLC 624H ASHEVILLE NC
2021-04-08 828-934 1XXX6XXX8XXX9XXX · 3 holders which blocks → TON80 COMMUNICATIONS, LLC 516J ELLENBORO NC
2021-03-29 828-810 0XXX1XXX9XXX · 3 holders which blocks → ONVOY, LLC - NC 638E CATAWBA NC
2021-03-23 828-902 0XXX1XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY SPECTRUM, LLC 624H SYLVA NC
2021-02-24 828-540 0–9 XXXall 10 · 5 holders which blocks → PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 350F TAYLORSVL NC
2021-02-02 828-576 0–9 XXXall 10 · 6 holders which blocks → ONVOY, LLC - NC 638E FRANKLIN NC
2021-01-27 828-567 0–9 XXXall 10 · 3 holders which blocks → STRATUS NETWORKS 495J ARDEN NC
2021-01-27 828-920 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - NC 638E ASHEVILLE NC
2021-01-19 828-510 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - NC 638E CHEROKEE NC
2020-08-13 828-822 1XXX2XXX3XXX4XXX5XXX · 4 holders which blocks → NUSO, LLC 478J WATERVILLE NC
2020-07-22 828-677 0XXX2XXX3XXX4XXX5XXX6XXX7XXX · 4 holders which blocks → FRACTEL, LLC 965H BETHLEHEM NC
2020-07-22 828-786 0–9 XXXall 10 · 5 holders which blocks → FRACTEL, LLC 965H CLYDE NC
2020-07-22 828-866 0–9 XXXall 10 · 7 holders which blocks → FRACTEL, LLC 965H BREVARD NC
2020-07-22 828-867 0XXX1XXX4XXX5XXX6XXX7XXX · 5 holders which blocks → FRACTEL, LLC 965H MICAVILLE NC
2020-07-22 828-977 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → FRACTEL, LLC 965H ROBBINSVL NC
2020-05-20 828-220 0–9 XXXall 10 · 5 holders which blocks → CSC WIRELESS, LLC 425J ASHEVILLE NC
2020-03-09 828-882 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - NC 638E CULLOWHEE NC
2020-02-05 828-546 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MORGANTON NC
2020-02-03 828-543 0XXX1XXX2XXX3XXX8XXX9XXX · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - NC 998E CLAREMONT NC
2019-12-17 828-470 0–9 XXXall 10 · 5 holders which blocks → TELNYX LLC 073H ASHEVILLE NC
2019-11-14 828-583 0–9 XXXall 10 · 6 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - NC 8389 MARION NC
2019-11-07 828-616 0–9 XXXall 10 · 5 holders which blocks → RIVERSTREET COMMUNICATIONS OF NO CAROLINA - NC 769H BOONE NC

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.