NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

8 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 570
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7
ONVOY, LLC - PA 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2011-08-30 570-516-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J POTTSVILLE PA
2011-08-30 570-599-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HAZLETON PA
2011-08-25 570-505-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F WILLIAMSPT PA
2011-08-16 570-505-4XXX 4000–4999Assigned VERIZON PENNSYLVANIA, INC. 9208 WILLIAMSPT PA
2011-08-08 570-223-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 STROUDSBG PA
2011-08-08 570-238-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 MILTON PA
2011-08-08 570-316-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 BLOOMSBURG PA
2011-08-08 570-463-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 MANSFIELD PA
2011-08-08 570-505-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 WILLIAMSPT PA
2011-07-28 570-415-4XXX 4000–4999Assigned CTSI, INC. - PA 7513 SUNBURY PA
2011-07-21 570-492-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SUNBURY PA
2011-07-21 570-502-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LOCK HAVEN PA
2011-07-18 570-334-2XXX 2000–2999Assigned WINDSTREAM PENNSYLVANIA, INC. 0176 HUGHESVL PA
2011-07-18 570-551-2XXX 2000–2999Assigned WINDSTREAM BUFFALO VALLEY, INC. 0151 LEWISBURG PA
2011-07-11 570-599-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HAZLETON PA
2011-07-08 570-618-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD PA
2011-07-08 570-692-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WILLIAMSPT PA
2011-07-08 570-780-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SCRANTON PA
2011-07-07 570-280-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CARBONDALE PA
2011-06-29 570-565-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F TAYLOR PA
2011-06-29 570-733-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F NANTICOKE PA
2011-06-21 570-995-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 TROUT RUN PA
2011-06-08 570-382-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J OLYPHANT PA
2011-06-03 570-591-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 SCRANTON PA
2011-05-26 570-505-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J WILLIAMSPT PA
2011-05-20 570-871-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7309 SCRANTON PA
2011-05-17 570-599-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HAZLETON PA
2011-05-12 570-391-8XXX 8000–8999Assigned METROPCS, INC. 5562 POTTSVILLE PA
2011-05-06 570-533-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 MONTROSE PA
2011-05-06 570-872-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 STROUDSBG PA
2011-05-05 570-818-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J MANTZVILLE PA
2011-04-14 570-280-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CARBONDALE PA
2011-04-08 570-397-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J JERMYN PA
2011-04-06 570-468-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 SCRANTON PA
2011-04-06 570-903-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 SCRANTON PA
2011-04-01 570-299-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J PITTSTON PA
2011-03-21 570-294-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 POTTSVILLE PA
2011-03-18 570-751-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HAZLETON PA
2011-03-11 570-280-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 CARBONDALE PA
2011-03-04 570-661-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 WASHIGTNVL PA
2011-03-03 570-445-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 SCRANTON PA
2011-03-03 570-560-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 WILLIAMSPT PA
2011-03-03 570-560-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 WILLIAMSPT PA
2011-03-02 570-235-4XXX 4000–4999Assigned METROPCS, INC. 5562 WILKSBARRE PA
2011-03-02 570-235-5XXX 5000–5999Assigned METROPCS, INC. 5562 WILKSBARRE PA
2011-03-02 570-235-7XXX 7000–7999Assigned METROPCS, INC. 5562 WILKSBARRE PA
2011-03-02 570-235-8XXX 8000–8999Assigned METROPCS, INC. 5562 WILKSBARRE PA
2011-03-02 570-280-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 CARBONDALE PA
2011-03-02 570-360-4XXX 4000–4999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 WILLIAMSPT PA
2011-03-02 570-360-6XXX 6000–6999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 WILLIAMSPT 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.