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Phone Directory 605-340 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
605-340 Deadwood, SD AT&T Local Lawrence Landline 02/07/2001

Other Series For Prefixes

605-3400###
605-3401###
605-3402###
605-3403###
605-3404###
605-3405###
605-3406###
605-3407###
605-3408###
605-3409###