You are reviewing the Area Code (NPA/NXX) report for 737-399. Did you mean to search the SMS short code 737399?
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| Raw Number | 737399 |
| Basic Format | 737-399 |
| NPA (Area Code) | 737 |
| NXX | 399 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 737-399-0XXX | 321J | HD CARRIER LLC | AUSTIN | AS | 06/23/2025 | AUSTIN | TX | SW | 07/19/2025 |
| 737-399-1XXX | 321J | HD CARRIER LLC | AUSTIN | AS | 06/23/2025 | AUSTIN | TX | SW | 07/19/2025 |
| 737-399-2XXX | 903C | ONVOY, LLC - TX | AUSTIN | AS | 06/25/2025 | AUSTIN | TX | SW | 07/19/2025 |
| 737-399-3XXX | 903C | ONVOY, LLC - TX | AUSTIN | AS | 06/25/2025 | AUSTIN | TX | SW | 07/19/2025 |
| 737-399-4XXX | 903C | ONVOY, LLC - TX | AUSTIN | AS | 06/25/2025 | AUSTIN | TX | SW | 07/19/2025 |
| 737-399-5XXX | 903C | ONVOY, LLC - TX | AUSTIN | AS | 06/25/2025 | AUSTIN | TX | SW | 07/19/2025 |
| 737-399-6XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | AUSTIN | AS | 08/07/2025 | AUSTIN | TX | SW | 09/06/2025 |
| 737-399-7XXX | 6529 | T-MOBILE USA, INC. | AUSTIN | AS | 10/14/2024 | AUSTIN | TX | SW | 11/28/2024 |
| 737-399-8XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | AUSTIN | AS | 08/07/2025 | AUSTIN | TX | SW | 09/06/2025 |
| 737-399-9XXX | 6529 | T-MOBILE USA, INC. | AUSTIN | AS | 10/14/2024 | AUSTIN | TX | SW | 11/28/2024 |
| 737-399-XXXX | 6529 | T-MOBILE USA, INC. | AUSTIN | AS | 10/14/2024 | AUSTIN | TX |
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