Reference Data Rate Center Directory CURLEW, IA Rate Center CURLEW — IA Data last updated: March 10, 2026 LATA 630 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 42.97872903918656, -94.73701865545083 Area Codes 712 Top Carriers Carrier OCN NXX Count NORTHWEST TEL. COOP. ASSN. 1261 1
