Reference Data Rate Center Directory WOOLSTOCK, IA Rate Center WOOLSTOCK — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 42.56648467057158, -93.84350043277891 Area Codes 515 Top Carriers Carrier OCN NXX Count WOOLSTOCK MUTUAL TEL. ASSN. 1342 1