NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 413-768

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

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

The ten 1,000-number thousand-blocks inside prefix 413-768 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 413 blocks

Most active assignees, all time — NPA 413
NEW CINGULAR WIRELESS PCS, LLC - DC 5
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 2
ONVOY, LLC - MA 1
METROPCS, INC. 1
CENTURYLINK COMMUNICATIONS, 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
— 413-768-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 GREENFIELD MA
2015-10-01 413-768-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 GREENFIELD MA
2016-06-20 413-768-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 GREENFIELD MA
2021-09-29 413-768-3XXX 3000–3999Assigned METROPCS, INC. 5562 GREENFIELD MA
2018-01-03 413-768-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 GREENFIELD MA
2023-07-11 413-768-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D GREENFIELD MA
2015-03-16 413-768-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GREENFIELD MA
2007-10-15 413-768-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 GREENFIELD MA
2005-01-25 413-768-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 GREENFIELD MA
2005-01-25 413-768-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 GREENFIELD MA

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.