Area Code +1-301-(2412000...2412999) located in Highfield, 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 : 2412000 Subscriber Number To : 2412999 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 : Highfield Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.7200 Longitude : -77.4800 ‹ previous : +1-301-(2411000...2411999) next › : +1-301-(2413000...2413999) Dialling Instructions For trunk calls: 0 301 2412000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2412000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2412000 ~ 2412999 (Count: 1,000) Example: +1-301-2412000 / 0111-301-2412000 (1301-2412000 / 1-301-2412000) +1-301-2412001 / 0111-301-2412001 (1301-2412001 / 1-301-2412001) +1-301-2412002 / 0111-301-2412002 (1301-2412002 / 1-301-2412002) +1-301-2412003 / 0111-301-2412003 (1301-2412003 / 1-301-2412003) +1-301-2412004 / 0111-301-2412004 (1301-2412004 / 1-301-2412004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2412995 / 0111-301-2412995 (1301-2412995 / 1-301-2412995) +1-301-2412996 / 0111-301-2412996 (1301-2412996 / 1-301-2412996) +1-301-2412997 / 0111-301-2412997 (1301-2412997 / 1-301-2412997) +1-301-2412998 / 0111-301-2412998 (1301-2412998 / 1-301-2412998) +1-301-2412999 / 0111-301-2412999 (1301-2412999 / 1-301-2412999)