Reference Data Rate Center Directory EXCELLO, MO Rate Center EXCELLO — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.636145, -92.4754625 Area Codes 660 Top Carriers Carrier OCN NXX Count CHARITON VALLEY TEL. CO. 1864 1
