Local Calling Guide
Area code/prefix search
NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]
NXX: 439
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
517-439 | A | Hillsdale | MI | HLDLMIMNRSA | 9323 MICHIGAN BELL TEL CO | 346 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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