Area Code +1-301-(3040000...3040999) located in Walkersville, 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 : 3040000 Subscriber Number To : 3040999 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 : Walkersville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.4800 Longitude : -77.3500 ‹ previous : +1-301-(3030000...3039999) next › : +1-301-(3041000...3041999) Dialling Instructions For trunk calls: 0 301 3040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3040000 ~ 3040999 (Count: 1,000) Example: +1-301-3040000 / 0111-301-3040000 (1301-3040000 / 1-301-3040000) +1-301-3040001 / 0111-301-3040001 (1301-3040001 / 1-301-3040001) +1-301-3040002 / 0111-301-3040002 (1301-3040002 / 1-301-3040002) +1-301-3040003 / 0111-301-3040003 (1301-3040003 / 1-301-3040003) +1-301-3040004 / 0111-301-3040004 (1301-3040004 / 1-301-3040004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3040995 / 0111-301-3040995 (1301-3040995 / 1-301-3040995) +1-301-3040996 / 0111-301-3040996 (1301-3040996 / 1-301-3040996) +1-301-3040997 / 0111-301-3040997 (1301-3040997 / 1-301-3040997) +1-301-3040998 / 0111-301-3040998 (1301-3040998 / 1-301-3040998) +1-301-3040999 / 0111-301-3040999 (1301-3040999 / 1-301-3040999)