NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 314-677

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 314-677 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 314 blocks

Most active assignees, all time — NPA 314
NEW CINGULAR WIRELESS PCS, LLC - IL 4
T-MOBILE USA, INC. 2
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 2
PAETEC ITEL, LLC 1
LEVEL 3 COMMUNICATIONS, LLC - MO 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
2005-05-11 314-677-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 KIRKWOOD MO
2005-08-10 314-677-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - MO 4932 KIRKWOOD MO
2008-10-03 314-677-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 7432 KIRKWOOD MO
2006-08-16 314-677-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 7432 KIRKWOOD MO
2006-05-09 314-677-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2006-05-09 314-677-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2006-02-02 314-677-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J KIRKWOOD MO
2006-05-09 314-677-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2006-02-28 314-677-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 KIRKWOOD MO
2005-04-13 314-677-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO

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.