Area Code +1-301-(3630000...3630999) located in Damascus 240, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 301 Subscriber Number From : 3630000 Subscriber Number To : 3630999 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 - 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 : Damascus 240 Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.2900 Longitude : -77.2100 ‹ previous : +1-301-(3620000...3629999) next › : +1-301-(3631000...3631999) Dialling Instructions For trunk calls: 0 301 3630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3630000 ~ 3630999 (Count: 1,000) Example: +1-301-3630000 / 0111-301-3630000 (1301-3630000 / 1-301-3630000) +1-301-3630001 / 0111-301-3630001 (1301-3630001 / 1-301-3630001) +1-301-3630002 / 0111-301-3630002 (1301-3630002 / 1-301-3630002) +1-301-3630003 / 0111-301-3630003 (1301-3630003 / 1-301-3630003) +1-301-3630004 / 0111-301-3630004 (1301-3630004 / 1-301-3630004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3630995 / 0111-301-3630995 (1301-3630995 / 1-301-3630995) +1-301-3630996 / 0111-301-3630996 (1301-3630996 / 1-301-3630996) +1-301-3630997 / 0111-301-3630997 (1301-3630997 / 1-301-3630997) +1-301-3630998 / 0111-301-3630998 (1301-3630998 / 1-301-3630998) +1-301-3630999 / 0111-301-3630999 (1301-3630999 / 1-301-3630999)