NumberResearchThousands-blocks in 903-609
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 903-609 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 903 blocks
Most active assignees, all time — NPA 903
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-03-31 | 903-609-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | PARIS | TX |
| 2013-09-24 | 903-609-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | PARIS | TX |
| 2013-10-29 | 903-609-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PARIS | TX |
| 2013-05-01 | 903-609-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | PARIS | TX |
| 2013-11-04 | 903-609-4XXX | 4000–4999 | Assigned | PEOPLES COMMUNICATION, INC. -TX | 135H | PARIS | TX |
| 2014-01-10 | 903-609-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PARIS | TX |
| 2015-02-25 | 903-609-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PARIS | TX |
| 2014-04-18 | 903-609-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | PARIS | TX |
| 2013-08-23 | 903-609-8XXX | 8000–8999 | Assigned | CSC VOICE, LLC | 612K | PARIS | TX |
| 2013-04-01 | 903-609-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PARIS | TX |
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.