Reference Data Rate Center Directory GALVA, IA Rate Center GALVA — IA Data last updated: March 10, 2026 LATA 630 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 42.50654783063055, -95.41694468793453 Area Codes 712 Top Carriers Carrier OCN NXX Count SCHALLER TEL. CO. 1291 1
