Reference Data Rate Center Directory NORTHBORO, IA Rate Center NORTHBORO — IA Data last updated: March 10, 2026 LATA 644 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 40.60777815906724, -95.29049089454719 Area Codes 712 Top Carriers Carrier OCN NXX Count IAMO COMMUNICATIONS, INC. 1206 1
