Reference Data Rate Center Directory CALLENDER, IA Rate Center CALLENDER — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 42.36256999521311, -94.29417473803701 Area Codes 515 Top Carriers Carrier OCN NXX Count LEHIGH VALLEY COOP. TEL. ASSN. 1225 1
