NumberResearchThousands-blocks in 319-419
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 319-419 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 319 blocks
Most active assignees, all time — NPA 319
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 319-419-0XXX | 0000–0999 | Available | WAVERLY | IA | ||
| 2018-06-15 | 319-419-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | WAVERLY | IA |
| 2020-05-06 | 319-419-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IA | 9877 | WAVERLY | IA |
| 2018-06-06 | 319-419-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | WAVERLY | IA |
| 2019-08-22 | 319-419-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IA | 221F | WAVERLY | IA |
| 2019-12-30 | 319-419-5XXX | 5000–5999 | Assigned | ONVOY, LLC - IA | 221F | WAVERLY | IA |
| 2020-04-16 | 319-419-6XXX | 6000–6999 | Assigned | ONVOY, LLC - IA | 221F | WAVERLY | IA |
| 2020-04-16 | 319-419-7XXX | 7000–7999 | Assigned | ONVOY, LLC - IA | 221F | WAVERLY | IA |
| 2018-03-12 | 319-419-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | WAVERLY | IA |
| 2018-03-12 | 319-419-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | WAVERLY | IA |
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.