Recent prefix assignments
334 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/28/2026
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 |
|---|---|---|---|---|---|---|
| — | 614-874 | 1XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | PAETEC ITEL, LLC | 829J | DUBLIN | OH |
| — | 614-875 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | GROVE CITY | OH |
| — | 614-876 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | HILLIARD | OH |
| — | 614-877 | 6XXX8XXX which blocks → | OHIO BELL TEL CO | 9321 | HARRISBURG | OH |
| — | 614-878 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | ALTON | OH |
| — | 614-879 | 1XXX3XXX · 2 holders which blocks → | OHIO BELL TEL CO | 9321 | WJEFFERSON | OH |
| — | 614-880 | 8XXX which blocks → | OHIO BELL TEL CO | 9321 | WORTHINGTN | OH |
| — | 614-882 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-883 | 2XXX which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | GROVE CITY | OH |
| — | 614-884 | not yet reported which blocks → | PAETEC ITEL, LLC | 829J | COLUMBUS | OH |
| — | 614-885 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WORTHINGTN | OH |
| — | 614-887 | 6XXX7XXX8XXX9XXX · 3 holders which blocks → | OHIO BELL TEL CO | 9321 | COLUMBUS | OH |
| — | 614-888 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WORTHINGTN | OH |
| — | 614-889 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | DUBLIN | OH |
| — | 614-890 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-891 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-892 | 5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | PAETEC ITEL, LLC | 829J | REYNOLDSBG | OH |
| — | 614-893 | none assigned yet which blocks → | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| — | 614-895 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-896 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | OHIO BELL TEL CO | 9321 | WORTHINGTN | OH |
| — | 614-898 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-899 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-901 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | WESTERVL | OH |
| — | 614-902 | 0–9 XXXall 10 · 4 holders which blocks → | METROPCS, INC. | 5562 | COLUMBUS | OH |
| — | 614-905 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | OH |
| — | 614-906 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | OH |
| — | 614-911 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | OH |
| — | 614-918 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | WESTERVL | OH |
| — | 614-920 | 5XXX8XXX which blocks → | OHIO BELL TEL CO | 9321 | CANALWHSTR | OH |
| — | 614-921 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | HILLIARD | OH |
| — | 614-922 | 5XXX8XXX9XXX · 3 holders which blocks → | OHIO BELL TEL CO | 9321 | ALTON | OH |
| — | 614-923 | 5XXX which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | DUBLIN | OH |
| — | 614-926 | 0–9 XXXall 10 · 3 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | GROVE CITY | OH |
| — | 614-930 | 3XXX5XXX7XXX8XXX9XXX · 2 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | COLUMBUS | OH |
| — | 614-932 | 2XXX4XXX6XXX · 3 holders which blocks → | OHIO BELL TEL CO | 9321 | DUBLIN | OH |
| — | 614-933 | 1XXX2XXX3XXX4XXX · 3 holders which blocks → | OHIO BELL TEL CO | 9321 | NEW ALBANY | OH |
| — | 614-934 | 0XXX4XXX5XXX7XXX8XXX9XXX · 2 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | GAHANNA | OH |
| — | 614-937 | none assigned yet which blocks → | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| — | 614-939 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | NEW ALBANY | OH |
| — | 614-940 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | OH |
| — | 614-944 | 0XXX1XXX2XXX3XXX4XXX7XXX8XXX9XXX · 4 holders which blocks → | LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | GAHANNA | OH |
| — | 614-945 | 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | GROVE CITY | OH |
| — | 614-946 | none assigned yet which blocks → | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| — | 614-948 | 2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | WESTERVL | OH |
| — | 614-950 | not yet reported which blocks → | OH | |||
| — | 614-951 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | HILLIARD | OH |
| — | 614-958 | not yet reported which blocks → | OH | |||
| — | 614-959 | not yet reported which blocks → | OH | |||
| — | 614-961 | 0XXX2XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | COLUMBUS | OH |
| — | 614-970 | not yet reported which blocks → | OHIO BELL TEL CO | 9321 | XXXXXXXXXX | OH |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/28/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.