NumberResearchThousands-blocks in 316-251
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
The ten 1,000-number thousand-blocks inside prefix 316-251 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 316 blocks
Most active assignees, all time — NPA 316
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-10-27 | 316-251-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - KS | 986E | EL DORADO | KS |
| 2010-07-19 | 316-251-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EL DORADO | KS |
| 2009-12-10 | 316-251-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EL DORADO | KS |
| 2014-06-10 | 316-251-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - KS | 986E | EL DORADO | KS |
| 2014-03-18 | 316-251-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EL DORADO | KS |
| 2007-10-25 | 316-251-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EL DORADO | KS |
| 2012-12-18 | 316-251-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - KS | 8995 | EL DORADO | KS |
| 2012-12-20 | 316-251-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | EL DORADO | KS |
| 2025-03-17 | 316-251-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EL DORADO | KS |
| 2011-09-09 | 316-251-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | EL DORADO | KS |
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.