NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 302-317

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 302-317 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 302 blocks

Most active assignees, all time — NPA 302
CENTURYLINK COMMUNICATIONS, LLC 3
BANDWIDTH.COM CLEC, LLC - DE 2
PEERLESS NETWORK OF DELAWARE, LLC - DE 1
NEW CINGULAR WIRELESS PCS, LLC - DC 1
LEVEL 3 COMMUNICATIONS, LLC - DE 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
— 302-317-0XXX 0000–0999Reserved LEVEL 3 COMMUNICATIONS, LLC - DE 4801 NEW CASTLE DE
2014-11-06 302-317-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - DE 073F NEW CASTLE DE
2014-11-06 302-317-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - DE 073F NEW CASTLE DE
2014-05-07 302-317-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J NEW CASTLE DE
2014-06-10 302-317-4XXX 4000–4999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NEW CASTLE DE
2014-06-10 302-317-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NEW CASTLE DE
2014-09-15 302-317-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEW CASTLE DE
2013-11-04 302-317-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NEW CASTLE DE
2014-05-22 302-317-8XXX 8000–8999Assigned IP HORIZON LLC 515J NEW CASTLE DE
2013-10-18 302-317-9XXX 9000–9999Assigned PEERLESS NETWORK OF DELAWARE, LLC - DE 349F NEW CASTLE DE

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.