You are reviewing the Area Code (NPA/NXX) report for 251-503. Did you mean to search the SMS short code 251503?
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| Raw Number | 251503 |
| Basic Format | 251-503 |
| NPA (Area Code) | 251 |
| NXX | 503 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|
| 251-503-0XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 06/12/2025 | AL | SE | 06/24/2025 | |
| 251-503-1XXX | 476H | AIRUS, INC. - AL | MOBILE | AS | 04/11/2025 | AL | SE | 06/06/2025 | |
| 251-503-2XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 06/12/2025 | AL | SE | 06/24/2025 | |
| 251-503-3XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | MOBILE | AV | AL | SE | 12/15/2025 | ||
| 251-503-4XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 04/23/2025 | AL | SE | 06/06/2025 | |
| 251-503-5XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 04/23/2025 | AL | SE | 06/06/2025 | |
| 251-503-6XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 04/23/2025 | AL | SE | 06/06/2025 | |
| 251-503-7XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 04/23/2025 | AL | SE | 06/06/2025 | |
| 251-503-8XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 04/23/2025 | AL | SE | 06/06/2025 | |
| 251-503-9XXX | 6214 | NEW CINGULAR WIRELESS PCS, LLC - GA | MOBILE | AS | 04/23/2025 | AL | SE | 06/06/2025 | |
| 251-503-XXXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | MOBILE | AS | 04/08/2025 | AL |
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