Area Code +1-301-(3638000...3638999) 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 : 3638000 Subscriber Number To : 3638999 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-(3637000...3637999) next › : +1-301-(3639000...3639999) Dialling Instructions For trunk calls: 0 301 3638000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3638000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3638000 ~ 3638999 (Count: 1,000) Example: +1-301-3638000 / 0111-301-3638000 (1301-3638000 / 1-301-3638000) +1-301-3638001 / 0111-301-3638001 (1301-3638001 / 1-301-3638001) +1-301-3638002 / 0111-301-3638002 (1301-3638002 / 1-301-3638002) +1-301-3638003 / 0111-301-3638003 (1301-3638003 / 1-301-3638003) +1-301-3638004 / 0111-301-3638004 (1301-3638004 / 1-301-3638004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3638995 / 0111-301-3638995 (1301-3638995 / 1-301-3638995) +1-301-3638996 / 0111-301-3638996 (1301-3638996 / 1-301-3638996) +1-301-3638997 / 0111-301-3638997 (1301-3638997 / 1-301-3638997) +1-301-3638998 / 0111-301-3638998 (1301-3638998 / 1-301-3638998) +1-301-3638999 / 0111-301-3638999 (1301-3638999 / 1-301-3638999)