Area Code +1-809-(3770000...3779999) located in Santiago, more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 809 Subscriber Number From : 3770000 Subscriber Number To : 3779999 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 : CODETEL Click here to buy Dominican Republic Area Code Database Other Information Language Code : es (Spanish) Country Number : 214 (Dominican Republic) Country Code : DO (Dominican Republic) City : Santiago Timezone : America/Santo_Domingo Coordinated Universal Time : -04:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 19.4500 Longitude : -70.7000 ‹ previous : +1-809-(3760000...3769999) next › : +1-809-(3780000...3789999) Dialling Instructions For trunk calls: 1 809 3770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 809 3770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3770000 ~ 3779999 (Count: 10,000) Example: +1-809-3770000 / 0111-809-3770000 (1809-3770000 / 1-809-3770000) +1-809-3770001 / 0111-809-3770001 (1809-3770001 / 1-809-3770001) +1-809-3770002 / 0111-809-3770002 (1809-3770002 / 1-809-3770002) +1-809-3770003 / 0111-809-3770003 (1809-3770003 / 1-809-3770003) +1-809-3770004 / 0111-809-3770004 (1809-3770004 / 1-809-3770004) ...+1-809-xxxxxxx / 0111-809-xxxxxxx (1809-xxxxxxx / 1-809-xxxxxxx) ...+1-809-3779995 / 0111-809-3779995 (1809-3779995 / 1-809-3779995) +1-809-3779996 / 0111-809-3779996 (1809-3779996 / 1-809-3779996) +1-809-3779997 / 0111-809-3779997 (1809-3779997 / 1-809-3779997) +1-809-3779998 / 0111-809-3779998 (1809-3779998 / 1-809-3779998) +1-809-3779999 / 0111-809-3779999 (1809-3779999 / 1-809-3779999)