Reference Data Rate Center Directory ROCK DELL, MN Rate Center ROCK DELL — MN Data last updated: March 10, 2026 LATA 620 State MN Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 43.92004563231428, -92.63984063713878 Area Codes 507 Top Carriers Carrier OCN NXX Count KASSON & MANTORVILLE TEL. CO. 1412 1
