Area Code +1-503-(4790000...4790999) located in Clackamas, Oregon (OR), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 503 Subscriber Number From : 4790000 Subscriber Number To : 4790999 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 : ASTOUND BROADBAND-OR 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 : OR Region Name : Oregon City : Clackamas Timezone : America/Los_Angeles Coordinated Universal Time : -08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.4100 Longitude : -122.5700 ‹ previous : +1-503-(4780000...4789999) next › : +1-503-(4791000...4791999) Dialling Instructions For trunk calls: 0 503 4790000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 503 4790000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4790000 ~ 4790999 (Count: 1,000) Example: +1-503-4790000 / 0111-503-4790000 (1503-4790000 / 1-503-4790000) +1-503-4790001 / 0111-503-4790001 (1503-4790001 / 1-503-4790001) +1-503-4790002 / 0111-503-4790002 (1503-4790002 / 1-503-4790002) +1-503-4790003 / 0111-503-4790003 (1503-4790003 / 1-503-4790003) +1-503-4790004 / 0111-503-4790004 (1503-4790004 / 1-503-4790004) ...+1-503-xxxxxxx / 0111-503-xxxxxxx (1503-xxxxxxx / 1-503-xxxxxxx) ...+1-503-4790995 / 0111-503-4790995 (1503-4790995 / 1-503-4790995) +1-503-4790996 / 0111-503-4790996 (1503-4790996 / 1-503-4790996) +1-503-4790997 / 0111-503-4790997 (1503-4790997 / 1-503-4790997) +1-503-4790998 / 0111-503-4790998 (1503-4790998 / 1-503-4790998) +1-503-4790999 / 0111-503-4790999 (1503-4790999 / 1-503-4790999)