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.
Most active assignees, all time — NPA 215
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| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 215-619 | 1XXX5XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-620 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA |
| — | 215-621 | 6XXX7XXX8XXX9XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA |
| — | 215-622 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DOYLESTOWN | PA |
| — | 215-623 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN34 | PA |
| — | 215-624 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA |
| — | 215-625 | 1XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-627 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-628 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-629 | 6XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-630 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHPHSBZN43 | PA |
| — | 215-631 | 2XXX3XXX4XXX8XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | LANSDALE | PA |
| — | 215-632 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA |
| — | 215-633 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN41 | PA |
| — | 215-634 | 9XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-635 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN34 | PA |
| — | 215-636 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-637 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA |
| — | 215-638 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN41 | PA |
| — | 215-639 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN41 | PA |
| — | 215-640 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-641 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-642 | 0XXX1XXX2XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → | PAETEC ITEL, LLC | 829J | PHPHSBZN41 | PA |
| — | 215-643 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-644 | 3XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-645 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN41 | PA |
| — | 215-646 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-647 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LANSDALE | PA |
| — | 215-648 | 0XXX which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN33 | PA |
| — | 215-649 | 2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN34 | PA |
| — | 215-650 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN41 | PA |
| — | 215-651 | none assigned yet which blocks → | METROPCS, INC. | 5562 | PHLDLPHZN1 | PA |
| — | 215-652 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NORTHWALES | PA |
| — | 215-653 | 1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-654 | 2XXX3XXX4XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-655 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-656 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-657 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN38 | PA |
| — | 215-658 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN38 | PA |
| — | 215-659 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN38 | PA |
| — | 215-660 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SOUDERTON | PA |
| — | 215-661 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | NORTHWALES | PA |
| — | 215-662 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN2 | PA |
| — | 215-663 | 2XXX3XXX4XXX · 2 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN34 | PA |
| — | 215-664 | 2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN33 | PA |
| — | 215-665 | not yet reported which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-668 | none assigned yet which blocks → | METROPCS, INC. | 5562 | PHLDLPHZN1 | PA |
| — | 215-669 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | PHLDLPHZN2 | PA |
| — | 215-670 | 8XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA |
| — | 215-671 | 6XXX which blocks → | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA |
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.