NumberResearchThousands-blocks in 801-515
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 801-515 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 801 blocks
Most active assignees, all time — NPA 801
New assignments by month
Sep 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-03-28 | 801-515-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | SPRINGVL | UT |
| 2017-07-03 | 801-515-1XXX | 1000–1999 | Assigned | FIRSTDIGITAL COMMUNICATIONS, LLC | 716D | SPRINGVL | UT |
| 2019-01-25 | 801-515-2XXX | 2000–2999 | Assigned | ONVOY, LLC - UT | 871E | SPRINGVL | UT |
| 2019-01-25 | 801-515-3XXX | 3000–3999 | Assigned | ONVOY, LLC - UT | 871E | SPRINGVL | UT |
| 2019-01-25 | 801-515-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | SPRINGVL | UT |
| 2019-03-25 | 801-515-5XXX | 5000–5999 | Assigned | TELNYX LLC | 073H | SPRINGVL | UT |
| 2011-12-06 | 801-515-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | SPRINGVL | UT |
| 2017-04-05 | 801-515-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SPRINGVL | UT |
| — | 801-515-8XXX | 8000–8999 | Reserved | ONVOY, LLC - UT | 871E | SPRINGVL | UT |
| 2017-07-03 | 801-515-9XXX | 9000–9999 | Assigned | FIRSTDIGITAL COMMUNICATIONS, LLC | 716D | SPRINGVL | UT |
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.