NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

9 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 515
ONVOY, LLC - IA 5
AUREON COMMUNICATIONS, LLC 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 1
BANDWIDTH.COM CLEC, LLC - IA 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
2006-03-06 515-345-2XXX 2000–2999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-3XXX 3000–3999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-4XXX 4000–4999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-5XXX 5000–5999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-6XXX 6000–6999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-7XXX 7000–7999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-8XXX 8000–8999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-06 515-345-9XXX 9000–9999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-03-02 515-817-2XXX 2000–2999Assigned QWEST CORPORATION 9631 AMES IA
2006-03-01 515-230-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 BOONE IA
2006-03-01 515-473-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-03-01 515-473-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-03-01 515-473-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-03-01 515-473-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-02-28 515-708-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMES IA
2006-02-17 515-473-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2006-01-19 515-867-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2006-01-16 515-537-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-01-13 515-230-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 BOONE IA
2006-01-13 515-326-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-01-13 515-326-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-01-13 515-326-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2006-01-11 515-473-3XXX 3000–3999Assigned QWEST CORPORATION 9631 DES MOINES IA
2006-01-11 515-962-5XXX 5000–5999Assigned IMON COMMUNICATIONS, LLC - IA 695G INDIANOLA IA
2006-01-04 515-227-5XXX 5000–5999Assigned MCC TELEPHONY OF IOWA, LLC - IA 751F FORT DODGE IA
2005-12-20 515-401-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-12-20 515-401-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-12-20 515-401-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-12-20 515-401-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-12-16 515-867-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2005-12-14 515-537-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2005-12-09 515-867-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2005-12-07 515-326-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-12-05 515-326-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-11-22 515-401-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2005-11-21 515-645-9XXX 9000–9999Assigned PAETEC ITEL, LLC 829J DES MOINES IA
2005-11-02 515-867-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2005-11-02 515-867-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2005-10-10 515-401-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 DES MOINES IA
2005-10-10 515-867-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 DES MOINES IA
2005-10-04 515-326-3XXX 3000–3999Assigned QWEST CORPORATION 9631 DES MOINES IA
2005-09-29 515-326-6XXX 6000–6999Assigned QWEST CORPORATION 9631 DES MOINES IA
2005-09-29 515-326-7XXX 7000–7999Assigned QWEST CORPORATION 9631 DES MOINES IA
2005-09-29 515-326-8XXX 8000–8999Assigned QWEST CORPORATION 9631 DES MOINES IA
2005-09-29 515-326-9XXX 9000–9999Assigned QWEST CORPORATION 9631 DES MOINES IA
2005-08-19 515-462-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 WINTERSET IA
2005-08-19 515-462-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 WINTERSET IA
2005-08-19 515-465-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 PERRY IA
2005-08-19 515-993-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 ADEL IA
2005-08-19 515-993-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ADEL IA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.