Reference Data Rate Center Directory GRAETTINGR, IA Rate Center GRAETTINGR — IA Data last updated: March 10, 2026 LATA 630 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.23769526013456, -94.75169167665835 Area Codes 712 Top Carriers Carrier OCN NXX Count RIVER VALLEY TELECOMMUNICATIONS COOP. 1189 1
