NumberResearchThousands-blocks in 318-744
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 318-744 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 318-744-0XXX | 0000–0999 | Reserved | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | HARRISONBG | LA |
| 2016-03-18 | 318-744-1XXX | 1000–1999 | Assigned | ONVOY, LLC - LA | 749E | HARRISONBG | LA |
| 2016-03-18 | 318-744-2XXX | 2000–2999 | Assigned | ONVOY, LLC - LA | 749E | HARRISONBG | LA |
| 2023-06-16 | 318-744-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HARRISONBG | LA |
| 2012-01-19 | 318-744-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - LA | 153F | HARRISONBG | LA |
| — | 318-744-5XXX | 5000–5999 | Reserved | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | HARRISONBG | LA |
| 2012-05-31 | 318-744-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA LA - LLC | 653C | HARRISONBG | LA |
| 2014-08-04 | 318-744-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | HARRISONBG | LA |
| 2015-10-14 | 318-744-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - LA | 153F | HARRISONBG | LA |
| 2022-06-06 | 318-744-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HARRISONBG | 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.