Area Code +1-301-(3633000...3633999) 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 : 3633000 Subscriber Number To : 3633999 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 : COMCAST PHONE - 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-(3632000...3632999) next › : +1-301-(3634000...3634999) Dialling Instructions For trunk calls: 0 301 3633000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3633000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3633000 ~ 3633999 (Count: 1,000) Example: +1-301-3633000 / 0111-301-3633000 (1301-3633000 / 1-301-3633000) +1-301-3633001 / 0111-301-3633001 (1301-3633001 / 1-301-3633001) +1-301-3633002 / 0111-301-3633002 (1301-3633002 / 1-301-3633002) +1-301-3633003 / 0111-301-3633003 (1301-3633003 / 1-301-3633003) +1-301-3633004 / 0111-301-3633004 (1301-3633004 / 1-301-3633004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3633995 / 0111-301-3633995 (1301-3633995 / 1-301-3633995) +1-301-3633996 / 0111-301-3633996 (1301-3633996 / 1-301-3633996) +1-301-3633997 / 0111-301-3633997 (1301-3633997 / 1-301-3633997) +1-301-3633998 / 0111-301-3633998 (1301-3633998 / 1-301-3633998) +1-301-3633999 / 0111-301-3633999 (1301-3633999 / 1-301-3633999)