NumberResearchThousands-blocks in 731-244
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 731-244 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 731 blocks
Most active assignees, all time — NPA 731
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
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-03-22 | 731-244-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | SELMER | TN |
| 2017-06-22 | 731-244-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | SELMER | TN |
| 2018-05-07 | 731-244-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | SELMER | TN |
| — | 731-244-3XXX | 3000–3999 | Available | SELMER | TN | ||
| 2020-07-09 | 731-244-4XXX | 4000–4999 | Assigned | FRACTEL, LLC | 965H | SELMER | TN |
| 2023-11-30 | 731-244-5XXX | 5000–5999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SELMER | TN |
| 2022-02-23 | 731-244-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | SELMER | TN |
| 2024-02-12 | 731-244-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF TENNESSEE, LLC - TN | 276F | SELMER | TN |
| 2021-10-01 | 731-244-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TN | 525E | SELMER | TN |
| 2022-01-04 | 731-244-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | SELMER | 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.