NumberResearchThousands-blocks in 318-593
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 318-593 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 318 blocks
Most active assignees, all time — NPA 318
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-10-31 | 318-593-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - LA | 153F | BASTROP | LA |
| 2021-10-27 | 318-593-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - LA | 153F | BASTROP | LA |
| 2021-10-27 | 318-593-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - LA | 153F | BASTROP | LA |
| 2023-03-28 | 318-593-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | BASTROP | LA |
| 2023-06-14 | 318-593-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BASTROP | LA |
| 2017-10-26 | 318-593-5XXX | 5000–5999 | Assigned | NORTHEAST TELEPHONE SERVICES - LA | 127J | BASTROP | LA |
| 2021-06-10 | 318-593-6XXX | 6000–6999 | Assigned | ONVOY, LLC - LA | 749E | BASTROP | LA |
| 2021-06-10 | 318-593-7XXX | 7000–7999 | Assigned | ONVOY, LLC - LA | 749E | BASTROP | LA |
| 2019-02-28 | 318-593-8XXX | 8000–8999 | Assigned | ONVOY, LLC - LA | 749E | BASTROP | LA |
| 2022-02-22 | 318-593-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | BASTROP | LA |
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.