NumberResearchThousands-blocks in 385-474
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 385-474 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 385 blocks
Most active assignees, all time — NPA 385
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 |
|---|---|---|---|---|---|---|---|
| 2012-11-21 | 385-474-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | MURRAY | UT |
| 2012-11-21 | 385-474-1XXX | 1000–1999 | Assigned | ONVOY, LLC - UT | 871E | MURRAY | UT |
| 2013-06-18 | 385-474-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - UT | 3231 | MURRAY | UT |
| 2012-11-21 | 385-474-3XXX | 3000–3999 | Assigned | ONVOY, LLC - UT | 871E | MURRAY | UT |
| 2013-03-20 | 385-474-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | MURRAY | UT |
| 2013-02-21 | 385-474-5XXX | 5000–5999 | Assigned | FIRSTDIGITAL COMMUNICATIONS, LLC | 716D | MURRAY | UT |
| 2013-09-19 | 385-474-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | MURRAY | UT |
| 2013-04-17 | 385-474-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | MURRAY | UT |
| 2013-10-16 | 385-474-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - UT | 3231 | MURRAY | UT |
| 2014-03-13 | 385-474-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - UT | 117F | MURRAY | 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.