Recent prefix assignments
375 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/30/2026
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 |
|---|---|---|---|---|---|---|
| — | 434-525 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | LYNCHBURG | VA |
| — | 434-528 | 7XXX which blocks → | VERIZON VIRGINIA, INC. | 9213 | LYNCHBURG | VA |
| — | 434-531 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | CHARLOTSVL | VA |
| — | 434-534 | 1XXX2XXX3XXX4XXX5XXX7XXX · 3 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | LYNCHBURG | VA |
| — | 434-535 | 1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 4 holders which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | JARRATT | VA |
| — | 434-538 | 1XXX3XXX4XXX6XXX7XXX8XXX · 2 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | CREWE | VA |
| — | 434-540 | not yet reported which blocks → | VA | |||
| — | 434-542 | 0XXX1XXX2XXX3XXX6XXX7XXX8XXX · 6 holders which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | CHRLTTCTHS | VA |
| — | 434-544 | 0XXX1XXX · 2 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | LYNCHBURG | VA |
| — | 434-546 | 2XXX4XXX5XXX8XXX9XXX which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | LYNCHBURG | VA |
| — | 434-547 | 0XXX1XXX2XXX · 2 holders which blocks → | UNITED STATES CELLULAR - VA | 6283 | FARMVILLE | VA |
| — | 434-549 | 0–9 XXXall 10 · 6 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DANVILLE | VA |
| — | 434-555 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | DIR ASST | VA |
| — | 434-568 | 0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | DRAKESBRCH | VA |
| — | 434-569 | 0–9 XXXall 10 · 6 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | FARMVILLE | VA |
| — | 434-570 | not yet reported which blocks → | GCR TELECOMMUNICATIONS, INC. - VA | 0445 | SO BOSTON | VA |
| — | 434-571 | not yet reported which blocks → | VA | |||
| — | 434-572 | none assigned yet which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | SO BOSTON | VA |
| — | 434-574 | 9XXX which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | PROSPECT | VA |
| — | 434-575 | not yet reported which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | SO BOSTON | VA |
| — | 434-577 | 0XXX1XXX3XXX6XXX7XXX8XXX · 5 holders which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | SOBRUNSWIK | VA |
| — | 434-579 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | SO BOSTON | VA |
| — | 434-581 | 4XXX5XXX · 2 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | ARVONIA | VA |
| — | 434-582 | 0XXX9XXX · 2 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | LYNCHBURG | VA |
| — | 434-584 | 3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | SOUTH HILL | VA |
| — | 434-585 | 6XXX which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | VIRGILINA | VA |
| — | 434-589 | not yet reported which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | PALMYRA | VA |
| — | 434-591 | 5XXX7XXX8XXX9XXX · 2 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | PALMYRA | VA |
| — | 434-592 | 0XXX1XXX8XXX · 2 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | LYNCHBURG | VA |
| — | 434-609 | 8XXX9XXX which blocks → | UNITED STATES CELLULAR - VA | 6283 | LYNCHBURG | VA |
| — | 434-610 | none assigned yet which blocks → | UNITED STATES CELLULAR - VA | 6283 | LYNCHBURG | VA |
| — | 434-611 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA |
| — | 434-634 | not yet reported which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | EMPORIA | VA |
| — | 434-636 | not yet reported which blocks → | EMPOWER TELECOM, INC. | 0219 | BLACKRIDGE | VA |
| — | 434-637 | 4XXX8XXX9XXX · 2 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | EMPORIA | VA |
| — | 434-645 | 5XXX which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | CREWE | VA |
| — | 434-656 | not yet reported which blocks → | PEOPLES MUTUAL TEL. CO. | 0244 | GRETNA | VA |
| — | 434-658 | 0XXX1XXX2XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | CAPRON | VA |
| — | 434-660 | none assigned yet which blocks → | UNITED STATES CELLULAR - VA | 6283 | LYNCHBURG | VA |
| — | 434-661 | 1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 5 holders which blocks → | UNITED STATES CELLULAR - VA | 6283 | AMHERST | VA |
| — | 434-664 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX · 6 holders which blocks → | UNITED STATES CELLULAR - VA | 6283 | APPOMATTOX | VA |
| — | 434-665 | none assigned yet which blocks → | UNITED STATES CELLULAR - VA | 6283 | LYNCHBURG | VA |
| — | 434-676 | 7XXX which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | KENBRIDGE | VA |
| — | 434-685 | not yet reported which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | BACHESHALL | VA |
| — | 434-689 | not yet reported which blocks → | EMPOWER TELECOM, INC. | 0219 | BEECHWOOD | VA |
| — | 434-696 | 0XXX7XXX8XXX · 2 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | VICTORIA | VA |
| — | 434-700 | not yet reported which blocks → | VA | |||
| — | 434-703 | not yet reported which blocks → | VA | |||
| — | 434-709 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | DANVILLE | VA |
| — | 434-710 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | DANVILLE | VA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/30/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.