Reference Data Rate Center Directory OTTERTAIL, MN Rate Center OTTERTAIL — MN Data last updated: March 10, 2026 LATA 636 State MN Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 46.425966297656, -95.55855482484898 Area Codes 218 Top Carriers Carrier OCN NXX Count EAST OTTER TAIL TEL. CO. 1385 1
