Local Calling Guide
Area code/prefix search
NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]
NXX: 370
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
517-370 | A | Montgomery | MI | LNNGMIMNX5Z | 543C ONVOY, LLCV - MI | 346 | |||
517-370 | 0 | Montgomery | MI | LNNGMIMN00Z | 624H ONVOY SPECTRUM, LLC | 346 | 2024-05-10 | ||
517-370 | 2 | Montgomery | MI | LNNGMIMNX5Z | 543C ONVOY, LLCV - MI | 346 | 2023-09-03 |
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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