Reference Data Rate Center Directory WIOTA, IA Rate Center WIOTA — IA Data last updated: March 10, 2026 LATA 644 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 41.40183691680335, -94.88840657285047 Area Codes 712 Top Carriers Carrier OCN NXX Count MASSENA TEL. CO. 1239 1
