NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 385-549

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 385-549 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 385 blocks

Most active assignees, all time — NPA 385
T-MOBILE USA, INC. 4
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 4
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 1
COMCAST IP PHONE, LLC 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
2015-05-19 385-549-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 6571 SALT LAKE UT
2016-04-14 385-549-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J SALT LAKE UT
2015-09-17 385-549-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 SALT LAKE UT
2015-09-17 385-549-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 SALT LAKE UT
2015-09-17 385-549-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 SALT LAKE UT
2015-09-17 385-549-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 SALT LAKE UT
2015-05-19 385-549-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 6571 SALT LAKE UT
2015-05-19 385-549-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 6571 SALT LAKE UT
2014-10-15 385-549-8XXX 8000–8999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7176 SALT LAKE UT
2015-05-19 385-549-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 6571 SALT LAKE UT

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.