Local Calling Guide
Area code/prefix search
NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]
NXX: 446
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
307-446 | A | West Spearfish | WY | SXFLSDCOTMD | 450F ONVOY, LLC - WY | 640 | |||
307-446 | 1 | West Spearfish | WY | SXFLSDCOTMD | 450F ONVOY, LLC - WY | 640 | 2023-07-23 | ||
307-446 | 6 | West Spearfish | WY | SXFLSDPS5MD | 145J TERRA NOVA TELECOM INC. | 640 | 2023-08-10 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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