NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/25/2026
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 |
|---|---|---|---|---|---|---|
| — | 402-246 | 0XXX1XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | PLATTE CTR | NE |
| — | 402-368 | 4XXX8XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | TILDEN | NE |
| — | 402-395 | 0XXX4XXX7XXX8XXX · 4 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | ALBION | NE |
| — | 402-428 | 0XXX3XXX4XXX5XXX6XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | LINDSAY | NE |
| — | 402-447 | 3XXX4XXX7XXX8XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | NEWMAN GRV | NE |
| — | 402-454 | 5XXX7XXX8XXX · 3 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | MADISON | NE |
| — | 402-487 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | LEIGH | NE |
| — | 402-495 | 0XXX4XXX5XXX6XXX8XXX · 3 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | MONROE | NE |
| — | 402-562 | not yet reported which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | COLUMBUS | NE |
| — | 402-563 | not yet reported which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | COLUMBUS | NE |
| — | 402-564 | not yet reported which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | COLUMBUS | NE |
| — | 402-675 | 3XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | BATTLE CRK | NE |
| — | 402-842 | 0XXX2XXX4XXX6XXX7XXX8XXX · 3 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | BRUNSWICK | NE |
| — | 402-887 | 2XXX7XXX8XXX · 3 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | NELIGH | NE |
| — | 402-893 | 4XXX6XXX7XXX8XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | ORCHARD | NE |
| — | 402-897 | 1XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | DUNCAN | NE |
| — | 402-993 | 3XXX4XXX5XXX8XXX · 2 holders which blocks → | CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE | 1128 | GENOA | NE |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/25/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.