Local Calling Guide
Area code/prefix search
NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]
NXX: 510
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
517-510 | A | Clayton | MI | ADRNMIXGOMD | 543C ONVOY, LLCV - MI | 340 | |||
517-510 | 2 | Clayton | MI | ADRNMIXGOMD | 543C ONVOY, LLCV - MI | 340 | 2021-07-19 | ||
517-510 | 8 | Clayton | MI | ADRNMIXGMMD | 624H ONVOY SPECTRUM, LLC | 340 | 2024-10-28 | ||
517-510 | 9 | Clayton | MI | DTRTMIBAUMD | 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 340 | 2021-09-06 |
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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