Local Calling Guide
Area code/prefix search
NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]
NXX: 815
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
309-815 | A | Stanford | IL | BLTNILXDXMX | 224C ONVOY, LLC | 366 | |||
309-815 | 2 | Stanford | IL | BLTNILXDXMX | 224C ONVOY, LLC | 366 | 2023-08-26 | ||
309-815 | 5 | Stanford | IL | BLTNILATX5X | 197D VONAGE AMERICA LLC | 366 | 2024-05-30 |
Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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