Reference Data Rate Center Directory ENEWCASTLE, SD Rate Center ENEWCASTLE — SD Data last updated: March 10, 2026 LATA 654 State SD Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.85590444477301, -104.040695766056 Area Codes 605 Top Carriers Carrier OCN NXX Count RT COMMUNICATIONS 3410 1
