NumberResearchThousands-blocks in 910-312
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 910-312 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 910 blocks
Most active assignees, all time — NPA 910
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-02-23 | 910-312-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | CLARKTON | NC |
| 2016-04-07 | 910-312-1XXX | 1000–1999 | Assigned | ONVOY, LLC - NC | 638E | CLARKTON | NC |
| 2016-04-07 | 910-312-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NC | 638E | CLARKTON | NC |
| 2016-04-07 | 910-312-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NC | 638E | CLARKTON | NC |
| 2020-09-21 | 910-312-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | CLARKTON | NC |
| 2021-03-03 | 910-312-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NC | 638E | CLARKTON | NC |
| 2021-09-27 | 910-312-6XXX | 6000–6999 | Assigned | ATLANTIC TELECOM MULTIMEDIA CONSOLIDATED, LLC - NC | 452G | CLARKTON | NC |
| 2014-01-29 | 910-312-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | CLARKTON | NC |
| — | 910-312-8XXX | 8000–8999 | Available | CLARKTON | NC | ||
| 2022-06-28 | 910-312-9XXX | 9000–9999 | Assigned | STARVISION, INC. - NC | 703H | CLARKTON | NC |
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.