NumberResearchThousands-blocks in 936-243
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 936-243 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 936 blocks
Most active assignees, all time — NPA 936
New assignments by month
Sep 2026
Aug 2026
Jul 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-09-29 | 936-243-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | CROCKETT | TX |
| 2020-07-28 | 936-243-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | CROCKETT | TX |
| 2019-02-11 | 936-243-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | CROCKETT | TX |
| 2020-07-28 | 936-243-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | CROCKETT | TX |
| 2013-11-05 | 936-243-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | CROCKETT | TX |
| 2020-07-28 | 936-243-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | CROCKETT | TX |
| 2016-10-14 | 936-243-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | CROCKETT | TX |
| 2021-02-17 | 936-243-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | CROCKETT | TX |
| 2018-08-07 | 936-243-8XXX | 8000–8999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7138 | CROCKETT | TX |
| 2026-08-11 | 936-243-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TX | 903C | CROCKETT | TX |
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.