NumberResearchThousands-blocks in 937-790
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 937-790 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 937 blocks
Most active assignees, all time — NPA 937
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 |
|---|---|---|---|---|---|---|---|
| — | 937-790-0XXX | 0000–0999 | Reserved | T-MOBILE USA, INC. | 6529 | FRANKLIN | OH |
| 2013-06-19 | 937-790-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | FRANKLIN | OH |
| 2020-02-14 | 937-790-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FRANKLIN | OH |
| 2014-12-09 | 937-790-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | FRANKLIN | OH |
| 2004-09-28 | 937-790-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | FRANKLIN | OH |
| 2020-02-14 | 937-790-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FRANKLIN | OH |
| — | 937-790-6XXX | 6000–6999 | Reserved | T-MOBILE USA, INC. | 6529 | FRANKLIN | OH |
| 2014-05-06 | 937-790-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | FRANKLIN | OH |
| 2021-04-01 | 937-790-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | FRANKLIN | OH |
| 2020-07-15 | 937-790-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | FRANKLIN | OH |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.