NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 775-971 | 4XXX7XXX8XXX · 2 holders which blocks → | NEVADA BELL | 9742 | RENO | NV |
| — | 775-972 | not yet reported which blocks → | NEVADA BELL | 9742 | RENO | NV |
| — | 775-976 | not yet reported which blocks → | NV | |||
| — | 775-979 | 1XXX3XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - NV | 4805 | LOVELOCK | NV |
| — | 775-980 | 1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | MATRIX TELECOM, LLC. S/I/I TNCI - NV | 2817 | FERNLEY | NV |
| — | 775-981 | 2XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | ONVOY, LLC - NV | 029F | AUSTIN | NV |
| — | 775-982 | not yet reported which blocks → | NEVADA BELL | 9742 | RENO | NV |
| — | 775-983 | 1XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | MATRIX TELECOM, LLC. S/I/I TNCI - NV | 2817 | BAKER | NV |
| — | 775-984 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | BANDWIDTH.COM CLEC, LLC - NV | 075F | CARSON PL | NV |
| — | 775-986 | 1XXX2XXX3XXX4XXX5XXX6XXX · 4 holders which blocks → | BANDWIDTH.COM CLEC, LLC - NV | 075F | EMPIRE | NV |
| — | 775-993 | not yet reported which blocks → | ONVOY, LLC - NV | 029F | RENO | NV |
| — | 775-996 | not yet reported which blocks → | MATRIX TELECOM, LLC. S/I/I TNCI - NV | 2817 | RENO | NV |
| — | 775-997 | 1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | MATRIX TELECOM, LLC. S/I/I TNCI - NV | 2817 | RENO | NV |
| — | 775-999 | not yet reported which blocks → | NEVADA BELL | 9742 | RENO | NV |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.