Reference Data Rate Center Directory PHILA, MO Rate Center PHILA — MO Data last updated: March 10, 2026 LATA 520 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.83894090728705, -91.74049646528289 Area Codes 573 Top Carriers Carrier OCN NXX Count MARK TWAIN RURAL TEL. CO. 1914 1
