You are reviewing the Area Code (NPA/NXX) report for 620-437. Did you mean to search the SMS short code 620437?
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| Raw Number | 620437 |
| Basic Format | 620-437 |
| NPA (Area Code) | 620 |
| NXX | 437 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 620-437-0XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-1XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-2XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-3XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-4XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-5XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-6XXX | 6532 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-7XXX | 6532 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-8XXX | 6532 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | MADISON | AS | 12/16/2025 | MADISON | KS | SW | 02/02/2026 |
| 620-437-9XXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | RT | MADISON | KS | SW | ||
| 620-437-XXXX | 1801 | MADISON TELEPHONE, LLC - KS | MADISON | AS | MADISON | KS |
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