Local Calling Guide
Area code/prefix search
NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]
NXX: 557
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
517-557 | A | Britton | MI | DTRTMIVWDMD | 624H ONVOY SPECTRUM, LLC | 340 | 2021-07-18 | ||
517-557 | 5 | Britton | MI | 624H ONVOY SPECTRUM, LLC | 340 | 2021-07-18 | |||
517-557 | 7 | Britton | MI | 543C ONVOY, LLCV - MI | 340 | 2021-07-19 |
Last updated: Fri, 01 Jul 2022 02:53:40 UTC
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