NumberResearchThousands-blocks in 830-637
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 830-637 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 830 blocks
Most active assignees, all time — NPA 830
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-06-11 | 830-637-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | MARBLE FLS | TX |
| 2010-01-15 | 830-637-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | MARBLE FLS | TX |
| 2016-10-24 | 830-637-2XXX | 2000–2999 | Assigned | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | MARBLE FLS | TX |
| 2016-04-01 | 830-637-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | MARBLE FLS | TX |
| 2017-03-10 | 830-637-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | MARBLE FLS | TX |
| 2015-05-18 | 830-637-5XXX | 5000–5999 | Assigned | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | MARBLE FLS | TX |
| 2017-01-13 | 830-637-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | MARBLE FLS | TX |
| 2006-09-19 | 830-637-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | MARBLE FLS | TX |
| 2015-12-07 | 830-637-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MARBLE FLS | TX |
| 2006-08-29 | 830-637-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | MARBLE FLS | 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.