Local Calling Guide
Area code/prefix search
NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]
NXX: 753
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
517-753 | A | Coldwater | MI | 817J TELNET WORLDWIDE, INC. | 348 |
Last updated: Tue, 15 Jul 2025 18:46:49 UTC
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