Reference Data Rate Center Directory MARNE, IA Rate Center MARNE — IA Data last updated: March 10, 2026 LATA 644 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 41.4503638833226, -95.11243803419006 Area Codes 712 Top Carriers Carrier OCN NXX Count MARNE & ELK HORN TEL. CO. 1237 1
