Reference Data Rate Center Directory ALPHA, IA Rate Center ALPHA — IA Data last updated: March 10, 2026 LATA 635 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 42.99712265416233, -92.0478712769225 Area Codes 563 Top Carriers Carrier OCN NXX Count WINDSTREAM IOWA COMMUNICATIONS, INC. 1178 1
