Reference Data Rate Center Directory OLD MONROE, MO Rate Center OLD MONROE — MO Data last updated: March 10, 2026 LATA 520 State MO Area Codes 1 Exchanges (NXX) 2 Carriers 1 Coordinates 38.93090781399135, -90.74797905143954 Area Codes 636 Top Carriers Carrier OCN NXX Count BRIGHTSPEED OF MISSOURI, LLC 9787 2
