Local Calling Guide
Area code/prefix search
NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]
NXX: 666
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
605-666 | A | Keystone | SD | KYSTSDXADS1 | 1660 FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | 640 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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