Reference Data LOCK SPG, MO Rate Center LOCK SPG — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.84890050000003, -93.77743920000002 Area Codes 660 Top Carriers Carrier OCN NXX Count GREEN HILLS TEL. CORP. 1890 1
