Reference Data Rate Center Directory WALLINGFD, IA Rate Center WALLINGFD — IA Data last updated: March 10, 2026 LATA 630 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.32033696132987, -94.793274024468 Area Codes 712 Top Carriers Carrier OCN NXX Count RIVER VALLEY TELECOMMUNICATIONS COOP. 1189 1
