Reference Data Rate Center Directory GARDEN GRV, IA Rate Center GARDEN GRV — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 40.82663995263516, -93.60651599074204 Area Codes 641 Top Carriers Carrier OCN NXX Count GRAND RIVER MUTUAL TEL CO 1888 1
