NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

0 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, all time — NPA 570
COMCAST IP PHONE, LLC 113
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
2025-12-10 570-993-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J BLOOMSBURG PA
2025-05-01 570-816-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J MIFFLINBG PA
2025-04-15 570-551-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J LEWISBURG PA
2025-04-10 570-792-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J OVAL PA
2024-08-05 570-734-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J LAKEWOOD PA
2023-03-02 570-779-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J PLYMOUTH PA
2022-09-13 570-900-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J ASHLAND PA
2022-08-04 570-761-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J DALLAS PA
2022-06-01 570-547-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J MONTGOMERY PA
2022-06-01 570-613-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WYOMING PA
2021-07-21 570-464-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J TURBOTVL PA
2021-02-05 570-562-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J TAYLOR PA
2021-01-25 570-482-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J MUNCY VLY PA
2020-12-14 570-525-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J EAGLESMERE PA
2020-12-09 570-928-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J DUSHORE PA
2019-11-06 570-627-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J TOWANDA PA
2019-08-29 570-908-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J PITTSTON PA
2019-04-04 570-487-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J OLYPHANT PA
2018-04-11 570-866-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2016-12-19 570-800-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2016-08-11 570-354-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2016-07-12 570-291-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J OLYPHANT PA
2015-12-01 570-769-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J WOOLRICH PA
2015-11-02 570-891-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PITTSTON PA
2015-09-22 570-800-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2015-08-28 570-382-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J OLYPHANT PA
2015-08-11 570-544-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J MINERSVL PA
2015-07-16 570-589-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MOOSIC PA
2015-07-14 570-736-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J NANTICOKE PA
2015-06-01 570-968-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J ORWIGSBURG PA
2015-04-21 570-757-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J MUNCY PA
2015-04-20 570-397-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J JERMYN PA
2015-04-20 570-848-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J MOSCOW PA
2015-04-13 570-980-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J WILLIAMSPT PA
2015-04-09 570-763-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J KINGSTON PA
2015-03-31 570-728-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J POTTSVILLE PA
2015-03-19 570-478-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J LOYALSOCK PA
2015-02-23 570-858-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J LOCK HAVEN PA
2015-02-17 570-865-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J JERSEYSHOR PA
2015-02-10 570-800-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2015-01-09 570-915-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PINE GROVE PA
2014-06-10 570-485-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J TOWANDA PA
2014-06-10 570-530-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J ROME PA
2014-03-24 570-299-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J PITTSTON PA
2014-02-28 570-550-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J WILKSBARRE PA
2014-01-07 570-382-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J OLYPHANT PA
2013-11-20 570-703-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J SCRANTON PA
2013-11-08 570-319-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J CLARKSSMMT PA
2013-11-07 570-319-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J CLARKSSMMT PA
2013-10-29 570-255-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J DALLAS 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.