Reference Data Rate Center Directory XXXXXXXXXX, MO Rate Center XXXXXXXXXX — MO Data last updated: March 10, 2026 LATA 999 State MO Area Codes 8 Exchanges (NXX) 73 Carriers 1 Coordinates 0, 0 Area Codes 314 417 557 573 636 660 816 975 Top Carriers Carrier OCN NXX Count SOUTHWESTERN BELL 9533 3
