Reference Data Rate Center Directory TERRIL, IA Rate Center TERRIL — IA Data last updated: March 10, 2026 LATA 630 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.30606442905572, -94.97166243429186 Area Codes 712 Top Carriers Carrier OCN NXX Count TERRIL TELEPHONE COOPERATIVE 1309 1
