Reference Data Rate Center Directory WILLIAMSON, IA Rate Center WILLIAMSON — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 41.08893252178905, -93.25689248794532 Area Codes 641 Top Carriers Carrier OCN NXX Count WINDSTREAM IOWA COMMUNICATIONS, INC. 1178 1
