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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2018-04-11 570-866-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2018-03-29 570-358-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 ULSTER PA
2018-03-29 570-395-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 WARREN CTR PA
2018-03-29 570-530-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 ROME PA
2018-03-29 570-623-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 LITTLE MDW PA
2018-03-29 570-744-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 LE RAYSVL PA
2018-03-05 570-331-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 KINGSTON PA
2018-02-23 570-627-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TOWANDA PA
2018-02-16 570-293-8XXX 8000–8999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E DANVILLE PA
2018-02-16 570-483-7XXX 7000–7999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E OLYPHANT PA
2018-02-16 570-520-3XXX 3000–3999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E BERWICK PA
2018-02-16 570-600-9XXX 9000–9999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E MIDDLEBURG PA
2018-02-16 570-917-8XXX 8000–8999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E SUNBURY PA
2018-02-12 570-354-7XXX 7000–7999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E SCRANTON PA
2018-02-08 570-908-4XXX 4000–4999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PITTSTON PA
2018-02-08 570-931-5XXX 5000–5999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E WILKSBARRE PA
2018-02-06 570-354-9XXX 9000–9999Assigned NUSO, LLC 551G SCRANTON PA
2018-01-31 570-358-2XXX 2000–2999Assigned LIMITLESS MOBILE, LLC 6921 ULSTER PA
2018-01-31 570-395-5XXX 5000–5999Assigned LIMITLESS MOBILE, LLC 6921 WARREN CTR PA
2018-01-31 570-464-3XXX 3000–3999Assigned LIMITLESS MOBILE, LLC 6921 TURBOTVL PA
2018-01-31 570-512-2XXX 2000–2999Assigned LIMITLESS MOBILE, LLC 6921 TROY PA
2018-01-31 570-520-9XXX 9000–9999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 BERWICK PA
2018-01-31 570-571-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 WAYMART PA
2018-01-31 570-661-5XXX 5000–5999Assigned LIMITLESS MOBILE, LLC 6921 WASHIGTNVL PA
2018-01-31 570-681-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 UNION DALE PA
2018-01-31 570-697-0XXX 0000–0999Assigned LIMITLESS MOBILE, LLC 6921 WYOMING PA
2018-01-31 570-791-3XXX 3000–3999Assigned LIMITLESS MOBILE, LLC 6921 WAPWALLOPN PA
2018-01-31 570-981-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 WYALUSING PA
2018-01-30 570-201-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 RUSH PA
2018-01-30 570-260-5XXX 5000–5999Assigned LIMITLESS MOBILE, LLC 6921 ST CLAIR PA
2018-01-30 570-303-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 THOMPSON PA
2018-01-30 570-361-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 SUSQUHANNA PA
2018-01-30 570-381-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 SO CANAAN PA
2018-01-30 570-418-9XXX 9000–9999Assigned LIMITLESS MOBILE, LLC 6921 TIOGA PA
2018-01-30 570-530-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 ROME PA
2018-01-30 570-548-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 ST JOSEPH PA
2018-01-30 570-565-6XXX 6000–6999Assigned LIMITLESS MOBILE, LLC 6921 TAYLOR PA
2018-01-30 570-608-2XXX 2000–2999Assigned LIMITLESS MOBILE, LLC 6921 SWEET VLY PA
2018-01-30 570-627-9XXX 9000–9999Assigned LIMITLESS MOBILE, LLC 6921 TOWANDA PA
2018-01-30 570-737-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 SPRINGVL PA
2018-01-30 570-740-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E NANTICOKE PA
2018-01-30 570-841-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 SHICKSHINY PA
2018-01-30 570-949-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 ROWLAND PA
2018-01-25 570-755-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E MILL HALL PA
2018-01-05 570-316-8XXX 8000–8999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 BLOOMSBURG PA
2017-12-26 570-750-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 LAPORTE PA
2017-12-20 570-531-3XXX 3000–3999Assigned LIMITLESS MOBILE, LLC 6921 RENOVO PA
2017-12-20 570-566-1XXX 1000–1999Assigned LIMITLESS MOBILE, LLC 6921 PLEASANTMT PA
2017-12-20 570-569-3XXX 3000–3999Assigned LIMITLESS MOBILE, LLC 6921 PITTSTON PA
2017-12-20 570-583-0XXX 0000–0999Assigned LIMITLESS MOBILE, LLC 6921 PORTLAND 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.