Reference Data Rate Center Directory YORKVALLEY, AZ Rate Center YORKVALLEY — AZ Data last updated: March 10, 2026 LATA 668 State AZ Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 32.92743031156432, -109.2019450175306 Area Codes 928 Top Carriers Carrier OCN NXX Count VALLEY TEL COOP INC 2176 1
