Reference Data Rate Center Directory PARMA, MO Rate Center PARMA — MO Data last updated: March 10, 2026 LATA 520 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 36.61604944817402, -89.81856137815399 Area Codes 573 Top Carriers Carrier OCN NXX Count BPS TELEPHONE COMPANY 0463 1
