Reference Data Rate Center Directory GILLIAM, MO Rate Center GILLIAM — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.23379302719205, -93.00414565546811 Area Codes 660 Top Carriers Carrier OCN NXX Count OTELCO MID-MISSOURI LLC 1917 1
