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 |
|---|---|---|---|---|---|---|
| 2002-07-23 | 614-426 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 7 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | WESTERVL | OH |
| 2002-04-17 | 614-642 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | WJEFFERSON | OH |
| 2002-04-17 | 614-654 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | LOCKBOURNE | OH |
| 2002-04-17 | 614-655 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | REYNOLDSBG | OH |
| 2002-04-17 | 614-656 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | NEW ALBANY | OH |
| 2002-04-17 | 614-991 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | GROVE CITY | OH |
| 2002-04-17 | 614-992 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | HARRISBURG | OH |
| 2002-04-17 | 614-993 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | GROVEPORT | OH |
| 2002-04-17 | 614-994 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX which blocks → | FIRST COMMUNICATIONS, LLC | 460K | CANALWHSTR | OH |
| 2002-04-17 | 614-996 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | ALTON | OH |
| — | 614-246 | 1XXX which blocks → | FIRST COMMUNICATIONS, LLC | 460K | COLUMBUS | OH |
| — | 614-474 | 2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | GAHANNA | OH |
| — | 614-635 | 7XXX9XXX · 2 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | WORTHINGTN | OH |
| — | 614-708 | 0–9 XXXall 10 · 4 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | GAHANNA | OH |
| — | 614-763 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | DUBLIN | OH |
| — | 614-767 | 1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | FIRST COMMUNICATIONS, LLC | 460K | HILLIARD | OH |
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.