Recent thousands-block assignments

16 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 385
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
2022-05-12 385-464-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MIDVALE UT
2022-04-25 385-853-9XXX 9000–9999Assigned PEERLESS NETWORK OF UTAH, LLC - UT 526H PLEASATGRV UT
2022-04-20 385-384-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - UT 3231 PROVO UT
2022-04-20 385-472-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2022-04-20 385-472-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2022-04-20 385-472-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2022-04-20 385-472-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2022-04-20 385-472-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2022-04-20 385-472-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2022-04-14 385-472-2XXX 2000–2999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D PROVO UT
2022-04-14 385-563-3XXX 3000–3999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D SALT LAKE UT
2022-04-13 385-396-6XXX 6000–6999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D MURRAY UT
2022-04-13 385-488-4XXX 4000–4999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D MIDVALE UT
2022-04-13 385-853-2XXX 2000–2999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D PLEASATGRV UT
2022-04-13 385-865-8XXX 8000–8999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D OGDEN UT
2022-04-13 385-993-0XXX 0000–0999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D LEHI UT
2022-04-04 385-406-1XXX 1000–1999Assigned TELNYX LLC 073H SPANIHFORK UT
2022-04-04 385-462-9XXX 9000–9999Assigned AT&T - LOCAL 7421 FARMINGTON UT
2022-03-29 385-832-1XXX 1000–1999Assigned TELNYX LLC 073H AMERCNFORK UT
2022-03-17 385-378-0XXX 0000–0999Assigned IP HORIZON LLC 515J MURRAY UT
2022-03-17 385-406-0XXX 0000–0999Assigned IP HORIZON LLC 515J SPANIHFORK UT
2022-03-17 385-481-1XXX 1000–1999Assigned IP HORIZON LLC 515J ALTA UT
2022-03-17 385-526-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CLEARFIELD UT
2022-03-17 385-566-0XXX 0000–0999Assigned IP HORIZON LLC 515J KAYSVILLE UT
2022-03-17 385-874-0XXX 0000–0999Assigned IP HORIZON LLC 515J FARMINGTON UT
2022-03-16 385-410-1XXX 1000–1999Assigned IP HORIZON LLC 515J MORGAN UT
2022-03-16 385-461-0XXX 0000–0999Assigned IP HORIZON LLC 515J SALT LAKE UT
2022-03-16 385-464-0XXX 0000–0999Assigned IP HORIZON LLC 515J MIDVALE UT
2022-03-16 385-526-0XXX 0000–0999Assigned IP HORIZON LLC 515J CLEARFIELD UT
2022-03-16 385-595-1XXX 1000–1999Assigned IP HORIZON LLC 515J SPRINGVL UT
2022-03-16 385-644-0XXX 0000–0999Assigned IP HORIZON LLC 515J BOUNTIFUL UT
2022-03-16 385-746-0XXX 0000–0999Assigned IP HORIZON LLC 515J LEHI UT
2022-03-16 385-832-0XXX 0000–0999Assigned IP HORIZON LLC 515J AMERCNFORK UT
2022-03-16 385-853-0XXX 0000–0999Assigned IP HORIZON LLC 515J PLEASATGRV UT
2022-03-16 385-865-0XXX 0000–0999Assigned IP HORIZON LLC 515J OGDEN UT
2022-03-16 385-899-0XXX 0000–0999Assigned IP HORIZON LLC 515J PAYSON UT
2022-03-08 385-464-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MIDVALE UT
2022-03-07 385-563-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - UT 3231 SALT LAKE UT
2022-03-04 385-488-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MIDVALE UT
2022-02-24 385-526-9XXX 9000–9999Assigned TON80 COMMUNICATIONS, LLC 516J CLEARFIELD UT
2022-02-24 385-644-2XXX 2000–2999Assigned TON80 COMMUNICATIONS, LLC 516J BOUNTIFUL UT
2022-02-24 385-746-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J LEHI UT
2022-02-24 385-832-4XXX 4000–4999Assigned TON80 COMMUNICATIONS, LLC 516J AMERCNFORK UT
2022-02-22 385-688-6XXX 6000–6999Assigned TON80 COMMUNICATIONS, LLC 516J GOSHEN UT
2022-02-18 385-461-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J SALT LAKE UT
2022-02-16 385-488-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - UT 3231 MIDVALE UT
2022-02-14 385-566-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - UT 3231 KAYSVILLE UT
2022-02-01 385-874-4XXX 4000–4999Assigned TON80 COMMUNICATIONS, LLC 516J FARMINGTON UT
2022-01-28 385-460-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 6571 OGDEN UT
2022-01-28 385-460-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 6571 OGDEN UT

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.