You are reviewing the Area Code (NPA/NXX) report for 331-850. Did you mean to search the SMS short code 331850?
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| Raw Number | 331850 |
| Basic Format | 331-850 |
| NPA (Area Code) | 331 |
| NXX | 850 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|
| 331-850-0XXX | 224C | ONVOY, LLC | BIG ROCK | AV | IL | MW | 07/30/2025 | ||
| 331-850-1XXX | 939H | COMMIO, LLC | BIG ROCK | AS | 01/26/2022 | IL | MW | 02/24/2022 | |
| 331-850-2XXX | 224C | ONVOY, LLC | BIG ROCK | AV | IL | MW | 08/14/2024 | ||
| 331-850-3XXX | 318J | COMCAST IP PHONE, LLC | BIG ROCK | AS | 03/21/2024 | IL | MW | 04/18/2024 | |
| 331-850-4XXX | 224C | ONVOY, LLC | BIG ROCK | AV | IL | MW | 11/12/2023 | ||
| 331-850-5XXX | 224C | ONVOY, LLC | BIG ROCK | AS | 07/13/2021 | IL | MW | 08/09/2021 | |
| 331-850-6XXX | 224C | ONVOY, LLC | BIG ROCK | AV | IL | MW | 10/07/2024 | ||
| 331-850-7XXX | 224C | ONVOY, LLC | BIG ROCK | AV | IL | MW | 07/08/2025 | ||
| 331-850-8XXX | 624H | ONVOY SPECTRUM, LLC | BIG ROCK | AS | 06/01/2021 | IL | MW | 06/27/2021 | |
| 331-850-9XXX | 063E | PEERLESS NETWORK OF ILLINOIS, LLC - IL | BIG ROCK | AS | 09/02/2021 | IL | MW | 10/01/2021 | |
| 331-850-XXXX | 224C | ONVOY, LLC | BIG ROCK | AS | 03/30/2021 | IL |
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