Area Code +1-303-(3512000...3512999) located in Deckers, Colorado (CO), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 303 Subscriber Number From : 3512000 Subscriber Number To : 3512999 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 : BANDWIDTH.COM - CO 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 : CO Region Name : Colorado City : Deckers Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.2600 Longitude : -105.2400 ‹ previous : +1-303-(3511000...3511999) next › : +1-303-(3513000...3513999) Dialling Instructions For trunk calls: 0 303 3512000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 303 3512000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3512000 ~ 3512999 (Count: 1,000) Example: +1-303-3512000 / 0111-303-3512000 (1303-3512000 / 1-303-3512000) +1-303-3512001 / 0111-303-3512001 (1303-3512001 / 1-303-3512001) +1-303-3512002 / 0111-303-3512002 (1303-3512002 / 1-303-3512002) +1-303-3512003 / 0111-303-3512003 (1303-3512003 / 1-303-3512003) +1-303-3512004 / 0111-303-3512004 (1303-3512004 / 1-303-3512004) ...+1-303-xxxxxxx / 0111-303-xxxxxxx (1303-xxxxxxx / 1-303-xxxxxxx) ...+1-303-3512995 / 0111-303-3512995 (1303-3512995 / 1-303-3512995) +1-303-3512996 / 0111-303-3512996 (1303-3512996 / 1-303-3512996) +1-303-3512997 / 0111-303-3512997 (1303-3512997 / 1-303-3512997) +1-303-3512998 / 0111-303-3512998 (1303-3512998 / 1-303-3512998) +1-303-3512999 / 0111-303-3512999 (1303-3512999 / 1-303-3512999)