Reference Data Rate Center Directory ARISPE, IA Rate Center ARISPE — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 40.94927089068469, -94.2182216752318 Area Codes 641 Top Carriers Carrier OCN NXX Count WINDSTREAM IOWA COMMUNICATIONS, INC. 1178 1
