Area Code +1-509-(9550000...9559999) located in Yakima, Washington (WA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 509 Subscriber Number From : 9550000 Subscriber Number To : 9559999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : 360NTWS (USA) - WA Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : WA Region Name : Washington City : Yakima Timezone : America/Los_Angeles Coordinated Universal Time : -08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 46.6000 Longitude : -120.5100 ‹ previous : +1-509-(9549000...9549999) next › : +1-509-(9563000...9563999) Dialling Instructions For trunk calls: 0 509 9550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 509 9550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9550000 ~ 9559999 (Count: 10,000) Example: +1-509-9550000 / 0111-509-9550000 (1509-9550000 / 1-509-9550000) +1-509-9550001 / 0111-509-9550001 (1509-9550001 / 1-509-9550001) +1-509-9550002 / 0111-509-9550002 (1509-9550002 / 1-509-9550002) +1-509-9550003 / 0111-509-9550003 (1509-9550003 / 1-509-9550003) +1-509-9550004 / 0111-509-9550004 (1509-9550004 / 1-509-9550004) ...+1-509-xxxxxxx / 0111-509-xxxxxxx (1509-xxxxxxx / 1-509-xxxxxxx) ...+1-509-9559995 / 0111-509-9559995 (1509-9559995 / 1-509-9559995) +1-509-9559996 / 0111-509-9559996 (1509-9559996 / 1-509-9559996) +1-509-9559997 / 0111-509-9559997 (1509-9559997 / 1-509-9559997) +1-509-9559998 / 0111-509-9559998 (1509-9559998 / 1-509-9559998) +1-509-9559999 / 0111-509-9559999 (1509-9559999 / 1-509-9559999)