NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/26/2026
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.
Most active assignees, all time — NPA 724
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| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 724-439 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | UNIONTOWN | PA |
| — | 724-440 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | UNIONTOWN | PA |
| — | 724-446 | 2XXX4XXX6XXX8XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | HERMINIE | PA |
| — | 724-450 | 2XXX5XXX6XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | GROVE CITY | PA |
| — | 724-452 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | ZELIENOPLE | PA |
| — | 724-453 | 4XXX5XXX8XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | ZELIENOPLE | PA |
| — | 724-457 | 4XXX5XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | GLENWILLRD | PA |
| — | 724-458 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | GROVE CITY | PA |
| — | 724-459 | none assigned yet which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | BLAIRSVL | PA |
| — | 724-463 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | INDIANA | PA |
| — | 724-464 | 3XXX4XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | INDIANA | PA |
| — | 724-465 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | INDIANA | PA |
| — | 724-479 | 1XXX7XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | HOMER CITY | PA |
| — | 724-483 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | CHARLEROI | PA |
| — | 724-484 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 7 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | WALEXANDER | PA |
| — | 724-489 | 6XXX7XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | CHARLEROI | PA |
| — | 724-495 | 0XXX9XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | ROCHESTER | PA |
| — | 724-520 | 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | LATROBE | PA |
| — | 724-522 | 0XXX2XXX3XXX4XXX5XXX6XXX7XXX · 6 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | JEANNETTE | PA |
| — | 724-523 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | JEANNETTE | PA |
| — | 724-527 | 0XXX4XXX8XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | JEANNETTE | PA |
| — | 724-528 | 4XXX5XXX6XXX7XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | WMIDDLESEX | PA |
| — | 724-529 | 3XXX4XXX5XXX6XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | DAWSON | PA |
| — | 724-532 | 7XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | LATROBE | PA |
| — | 724-535 | 0XXX2XXX5XXX6XXX9XXX · 4 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | WAMPUM | PA |
| — | 724-537 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | LATROBE | PA |
| — | 724-539 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | LATROBE | PA |
| — | 724-542 | 0XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 6 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | MTPLEASANT | PA |
| — | 724-546 | 1XXX3XXX4XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | LOWELLVL | PA |
| — | 724-547 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | MTPLEASANT | PA |
| — | 724-564 | 6XXX8XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | FAIRCHANCE | PA |
| — | 724-569 | 2XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | SMITHFIELD | PA |
| — | 724-573 | 3XXX6XXX7XXX8XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | HOOKSTOWN | PA |
| — | 724-583 | 4XXX5XXX6XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | MASONTOWN | PA |
| — | 724-587 | 1XXX2XXX4XXX6XXX7XXX8XXX · 5 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | AVELLA | PA |
| — | 724-588 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | GREENVILLE | PA |
| — | 724-589 | 7XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | GREENVILLE | PA |
| — | 724-598 | 5XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NEW CASTLE | PA |
| — | 724-600 | 4XXX5XXX6XXX9XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | GREENSBURG | PA |
| — | 724-620 | 1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | CONNELLSVL | PA |
| — | 724-626 | 7XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | CONNELLSVL | PA |
| — | 724-628 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | CONNELLSVL | PA |
| — | 724-643 | 3XXX7XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | MIDLAND | PA |
| — | 724-652 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NEW CASTLE | PA |
| — | 724-654 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NEW CASTLE | PA |
| — | 724-656 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NEW CASTLE | PA |
| — | 724-657 | none assigned yet which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NEW CASTLE | PA |
| — | 724-658 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NEW CASTLE | PA |
| — | 724-662 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | MERCER | PA |
| — | 724-663 | 1XXX2XXX6XXX8XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | CLAYSVILLE | PA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/26/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.