Reference Data Rate Center Directory WILMOT, SD Rate Center WILMOT — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 45.40844006164116, -96.85746798328942 Area Codes 605 Top Carriers Carrier OCN NXX Count RC TECHNOLOGIES 1674 1
