Reference Data Rate Center Directory VIBURNUM, MO Rate Center VIBURNUM — MO Data last updated: March 10, 2026 LATA 520 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 37.71438320958244, -91.13297650063454 Area Codes 573 Top Carriers Carrier OCN NXX Count STEELVILLE TEL. EXCH., INC. 1949 1
