NumberResearchThousands-blocks in 931-253
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 931-253 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 931 blocks
Most active assignees, all time — NPA 931
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-11-15 | 931-253-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WAYNESBORO | TN |
| 2015-03-17 | 931-253-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | WAYNESBORO | TN |
| 2011-08-03 | 931-253-2XXX | 2000–2999 | Assigned | TENNESSEE TEL. CO. | 0575 | WAYNESBORO | TN |
| 2018-11-07 | 931-253-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TN | 525E | WAYNESBORO | TN |
| 2020-02-26 | 931-253-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TN | 525E | WAYNESBORO | TN |
| 2019-11-19 | 931-253-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TN | 525E | WAYNESBORO | TN |
| 2019-06-25 | 931-253-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | WAYNESBORO | TN |
| 2020-02-26 | 931-253-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TN | 525E | WAYNESBORO | TN |
| 2019-11-08 | 931-253-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | WAYNESBORO | TN |
| 2020-02-26 | 931-253-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TN | 525E | WAYNESBORO | TN |
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.