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Phone Directory 605-257 Detail

State Major City Time Zone
South Dakota Sioux Falls Central / Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
605-257 Nisland, SD West River Cooperative Telephone Company Butte Landline 02/04/1994

Other Series For Prefixes

605-2570###
605-2571###
605-2572###
605-2573###
605-2574###
605-2575###
605-2576###
605-2577###
605-2578###
605-2579###