Reference Data Rate Center Directory CLARK, MO Rate Center CLARK — MO Data last updated: March 10, 2026 LATA 521 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.28070750226306, -92.34250428282724 Area Codes 573 Top Carriers Carrier OCN NXX Count BRIGHTSPEED OF MISSOURI, LLC 9784 1
