Recent thousands-block assignments

17 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 412
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
2020-05-14 412-990-1XXX 1000–1999Assigned ONVOY, LLC - PA 547E PTGSBNZN21 PA
2020-05-14 412-990-2XXX 2000–2999Assigned ONVOY, LLC - PA 547E PTGSBNZN21 PA
2020-05-08 412-472-7XXX 7000–7999Assigned ONVOY, LLC - PA 547E PTGSBNZN15 PA
2020-05-08 412-507-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E PTGSBNZN15 PA
2020-05-07 412-385-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E PTGSBNZN10 PA
2020-05-07 412-460-2XXX 2000–2999Assigned ONVOY, LLC - PA 547E PTGSBNZN10 PA
2020-05-07 412-460-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E PTGSBNZN10 PA
2020-05-07 412-460-5XXX 5000–5999Assigned ONVOY, LLC - PA 547E PTGSBNZN10 PA
2020-05-07 412-516-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E PTGSBNZN22 PA
2020-05-07 412-516-5XXX 5000–5999Assigned ONVOY, LLC - PA 547E PTGSBNZN22 PA
2020-05-07 412-541-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E PTGSBNZN18 PA
2020-05-07 412-541-5XXX 5000–5999Assigned ONVOY, LLC - PA 547E PTGSBNZN18 PA
2020-05-07 412-547-6XXX 6000–6999Assigned ONVOY, LLC - PA 547E CLAIRTON PA
2020-05-07 412-547-7XXX 7000–7999Assigned ONVOY, LLC - PA 547E CLAIRTON PA
2020-05-07 412-571-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E PTTSBGZON6 PA
2020-05-07 412-571-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E PTTSBGZON6 PA
2020-04-27 412-752-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PTTSBGZON1 PA
2020-04-23 412-212-5XXX 5000–5999Assigned IP HORIZON LLC 515J PTGSBNZN12 PA
2020-04-23 412-293-7XXX 7000–7999Assigned IP HORIZON LLC 515J PTGSBNZN14 PA
2020-04-23 412-293-8XXX 8000–8999Assigned IP HORIZON LLC 515J PTGSBNZN14 PA
2020-04-23 412-436-7XXX 7000–7999Assigned IP HORIZON LLC 515J PTTSBGZON4 PA
2020-04-23 412-436-8XXX 8000–8999Assigned IP HORIZON LLC 515J PTTSBGZON4 PA
2020-04-23 412-448-7XXX 7000–7999Assigned IP HORIZON LLC 515J PTTSBGZON5 PA
2020-04-23 412-476-9XXX 9000–9999Assigned IP HORIZON LLC 515J PTTSBGZON5 PA
2020-04-23 412-516-7XXX 7000–7999Assigned IP HORIZON LLC 515J PTGSBNZN22 PA
2020-04-23 412-516-8XXX 8000–8999Assigned IP HORIZON LLC 515J PTGSBNZN22 PA
2020-04-23 412-572-0XXX 0000–0999Assigned IP HORIZON LLC 515J PTTSBGZON6 PA
2020-04-23 412-572-9XXX 9000–9999Assigned IP HORIZON LLC 515J PTTSBGZON6 PA
2020-04-23 412-707-5XXX 5000–5999Assigned IP HORIZON LLC 515J PTTSBGZON2 PA
2020-04-23 412-707-6XXX 6000–6999Assigned IP HORIZON LLC 515J PTTSBGZON2 PA
2020-04-23 412-752-3XXX 3000–3999Assigned IP HORIZON LLC 515J PTTSBGZON1 PA
2020-04-23 412-752-4XXX 4000–4999Assigned IP HORIZON LLC 515J PTTSBGZON1 PA
2020-04-23 412-754-8XXX 8000–8999Assigned IP HORIZON LLC 515J PTGSBNZN10 PA
2020-04-23 412-754-9XXX 9000–9999Assigned IP HORIZON LLC 515J PTGSBNZN10 PA
2020-04-23 412-775-7XXX 7000–7999Assigned IP HORIZON LLC 515J PTTSBGZON3 PA
2020-04-23 412-775-8XXX 8000–8999Assigned IP HORIZON LLC 515J PTTSBGZON3 PA
2020-04-23 412-808-3XXX 3000–3999Assigned IP HORIZON LLC 515J PTTSBGZON7 PA
2020-04-23 412-808-9XXX 9000–9999Assigned IP HORIZON LLC 515J PTTSBGZON7 PA
2020-04-20 412-752-2XXX 2000–2999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTTSBGZON1 PA
2020-04-20 412-837-7XXX 7000–7999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTGSBNZN17 PA
2020-04-06 412-356-9XXX 9000–9999Assigned ONVOY, LLC - PA 547E PTGSBNZN16 PA
2020-04-06 412-532-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F PTGSBNZN11 PA
2020-04-06 412-534-6XXX 6000–6999Assigned ONVOY, LLC - PA 547E PTGSBNZN16 PA
2020-04-06 412-851-6XXX 6000–6999Assigned ONVOY, LLC - PA 547E PTGSBNZN12 PA
2020-04-02 412-664-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F PTGSBNZN10 PA
2020-03-31 412-293-0XXX 0000–0999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTGSBNZN14 PA
2020-03-31 412-385-6XXX 6000–6999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTGSBNZN10 PA
2020-03-31 412-504-8XXX 8000–8999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTGSBNZN13 PA
2020-03-31 412-541-1XXX 1000–1999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTGSBNZN18 PA
2020-03-31 412-685-6XXX 6000–6999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E PTTSBGZON5 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.