NumberResearchThousands-blocks in 928-892
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 928-892 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 928 blocks
Most active assignees, all time — NPA 928
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-09-12 | 928-892-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SHOW LOW | AZ |
| 2023-05-08 | 928-892-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | SHOW LOW | AZ |
| 2011-04-22 | 928-892-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SHOW LOW | AZ |
| 2018-01-15 | 928-892-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SHOW LOW | AZ |
| 2017-03-13 | 928-892-4XXX | 4000–4999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - AZ | 7217 | SHOW LOW | AZ |
| 2008-01-31 | 928-892-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | SHOW LOW | AZ |
| 2021-06-08 | 928-892-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | SHOW LOW | AZ |
| 2026-03-24 | 928-892-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SHOW LOW | AZ |
| 2013-08-20 | 928-892-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SHOW LOW | AZ |
| 2012-03-19 | 928-892-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SHOW LOW | AZ |
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.