NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

5 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 717
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2
TELEPORT COMMUNICATIONS AMERICA, LLC - PA 1
ONVOY, LLC - PA 1
HD CARRIER 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 thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2016-09-30 717-842-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7309 MILLERSVL PA
2016-09-27 717-294-4XXX 4000–4999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WARFORDSBG PA
2016-09-23 717-559-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 DAUPHIN PA
2016-09-21 717-803-7XXX 7000–7999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 LANCASTER PA
2016-09-21 717-992-1XXX 1000–1999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 COLUMBIA PA
2016-09-16 717-918-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 MECHANCSBG PA
2016-09-09 717-704-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARISBGZN2 PA
2016-09-09 717-704-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARISBGZN2 PA
2016-09-09 717-803-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANCASTER PA
2016-09-09 717-803-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANCASTER PA
2016-09-09 717-941-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARISBGZN1 PA
2016-08-19 717-942-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7309 GLEN ROCK PA
2016-08-10 717-804-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 RED LION PA
2016-08-09 717-941-4XXX 4000–4999Assigned NUSO, LLC 551G HARISBGZN1 PA
2016-08-09 717-941-5XXX 5000–5999Assigned NUSO, LLC 551G HARISBGZN1 PA
2016-08-09 717-941-6XXX 6000–6999Assigned NUSO, LLC 551G HARISBGZN1 PA
2016-08-09 717-941-7XXX 7000–7999Assigned NUSO, LLC 551G HARISBGZN1 PA
2016-08-09 717-941-8XXX 8000–8999Assigned NUSO, LLC 551G HARISBGZN1 PA
2016-08-08 717-618-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANDISVL PA
2016-08-08 717-708-9XXX 9000–9999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E LEBANON PA
2016-08-02 717-663-3XXX 3000–3999Assigned CTSI, INC. - PA 7513 LANCASTER PA
2016-08-02 717-663-4XXX 4000–4999Assigned CTSI, INC. - PA 7513 LANCASTER PA
2016-07-27 717-323-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F MTHOLLYSPG PA
2016-07-27 717-345-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F LITTLESTN PA
2016-07-26 717-906-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J CARLISLE PA
2016-07-25 717-640-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F NEW OXFORD PA
2016-07-25 717-797-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HANOVER PA
2016-07-25 717-797-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HANOVER PA
2016-07-25 717-807-9XXX 9000–9999Assigned WINDSTREAM D&E, INC. 0165 LITITZ PA
2016-07-21 717-494-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MARION PA
2016-07-20 717-500-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HERSHEY PA
2016-07-19 717-740-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 LANCASTER PA
2016-07-18 717-882-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 ELIZABTHVL PA
2016-07-11 717-308-9XXX 9000–9999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E DOVER PA
2016-07-08 717-941-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 HARISBGZN1 PA
2016-07-06 717-356-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 YORK PA
2016-06-30 717-446-2XXX 2000–2999Assigned METROPCS, INC. 5562 CHAMBERSBG PA
2016-06-23 717-256-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HUMMELSTN PA
2016-06-23 717-378-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F RED LION PA
2016-06-23 717-467-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F DOVER PA
2016-06-22 717-961-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CARLISLE PA
2016-06-21 717-288-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F STRASBURG PA
2016-06-21 717-356-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F YORK PA
2016-06-21 717-614-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HARISBGZN1 PA
2016-06-21 717-740-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F LANCASTER PA
2016-06-21 717-980-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HARISBGZN1 PA
2016-06-16 717-247-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LEWISTOWN PA
2016-06-02 717-803-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANCASTER PA
2016-05-31 717-857-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 HARISBGZN1 PA
2016-05-26 717-660-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHAMBERSBG PA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.