Area Code +1-301-(9944000...9944999) located in Lexington Park-Great Mills, 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 : 9944000 Subscriber Number To : 9944999 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 : LEVEL 3 COMM - 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 : Lexington Park-Great Mills Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.2400 Longitude : -76.4900 ‹ previous : +1-301-(9943000...9943999) next › : +1-301-(9945000...9945999) Dialling Instructions For trunk calls: 0 301 9944000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 9944000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9944000 ~ 9944999 (Count: 1,000) Example: +1-301-9944000 / 0111-301-9944000 (1301-9944000 / 1-301-9944000) +1-301-9944001 / 0111-301-9944001 (1301-9944001 / 1-301-9944001) +1-301-9944002 / 0111-301-9944002 (1301-9944002 / 1-301-9944002) +1-301-9944003 / 0111-301-9944003 (1301-9944003 / 1-301-9944003) +1-301-9944004 / 0111-301-9944004 (1301-9944004 / 1-301-9944004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-9944995 / 0111-301-9944995 (1301-9944995 / 1-301-9944995) +1-301-9944996 / 0111-301-9944996 (1301-9944996 / 1-301-9944996) +1-301-9944997 / 0111-301-9944997 (1301-9944997 / 1-301-9944997) +1-301-9944998 / 0111-301-9944998 (1301-9944998 / 1-301-9944998) +1-301-9944999 / 0111-301-9944999 (1301-9944999 / 1-301-9944999)