Reference Data Rate Center Directory JOES, CO Rate Center JOES — CO Data last updated: March 10, 2026 LATA 656 State CO Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.65557322200125, -102.6789093291415 Area Codes 970 Top Carriers Carrier OCN NXX Count PLAINS COOP. TEL. ASSN., INC. 2199 1
