Reference Data Rate Center Directory ENDICOTT, WA Rate Center ENDICOTT — WA Data last updated: March 10, 2026 LATA 676 State WA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 46.92795889111496, -117.6850094358032 Area Codes 509 Top Carriers Carrier OCN NXX Count PIONEER TEL. CO. 2437 1
