Reference Data Rate Center Directory CLIFTON HL, MO Rate Center CLIFTON HL — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.43886927730009, -92.66668945359801 Area Codes 660 Top Carriers Carrier OCN NXX Count CHARITON VALLEY TEL. CO. 1864 1
