Reference Data Rate Center Directory JAMAICA, IA Rate Center JAMAICA — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 41.8462623457311, -94.30707195176838 Area Codes 641 Top Carriers Carrier OCN NXX Count WINDSTREAM IOWA COMMUNICATIONS, INC. 1178 1
