Local Calling Guide
Area code/prefix search
NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]
NXX: 646
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
660-646 | A | Chillicothe | MO | CHLCMOMIDS0 | 9533 SOUTHWESTERN BELL | 524 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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