Area Code +1-240-(3390000...3390999) located in Upper Marlboro, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 240 Subscriber Number From : 3390000 Subscriber Number To : 3390999 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 : CAVALIER EAST - MD 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 : MD Region Name : Maryland City : Upper Marlboro Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.8200 Longitude : -76.7500 ‹ previous : +1-240-(3389000...3389999) next › : +1-240-(3391000...3391999) Dialling Instructions For trunk calls: 0 240 3390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 3390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3390000 ~ 3390999 (Count: 1,000) Example: +1-240-3390000 / 0111-240-3390000 (1240-3390000 / 1-240-3390000) +1-240-3390001 / 0111-240-3390001 (1240-3390001 / 1-240-3390001) +1-240-3390002 / 0111-240-3390002 (1240-3390002 / 1-240-3390002) +1-240-3390003 / 0111-240-3390003 (1240-3390003 / 1-240-3390003) +1-240-3390004 / 0111-240-3390004 (1240-3390004 / 1-240-3390004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-3390995 / 0111-240-3390995 (1240-3390995 / 1-240-3390995) +1-240-3390996 / 0111-240-3390996 (1240-3390996 / 1-240-3390996) +1-240-3390997 / 0111-240-3390997 (1240-3390997 / 1-240-3390997) +1-240-3390998 / 0111-240-3390998 (1240-3390998 / 1-240-3390998) +1-240-3390999 / 0111-240-3390999 (1240-3390999 / 1-240-3390999)
