Area Code +1-301-(2420000...2420999) located in Brandywine, 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 : 2420000 Subscriber Number To : 2420999 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 : CORE 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 : Brandywine Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.7000 Longitude : -76.8500 ‹ previous : +1-301-(2419000...2419999) next › : +1-301-(2421000...2421999) Dialling Instructions For trunk calls: 0 301 2420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2420000 ~ 2420999 (Count: 1,000) Example: +1-301-2420000 / 0111-301-2420000 (1301-2420000 / 1-301-2420000) +1-301-2420001 / 0111-301-2420001 (1301-2420001 / 1-301-2420001) +1-301-2420002 / 0111-301-2420002 (1301-2420002 / 1-301-2420002) +1-301-2420003 / 0111-301-2420003 (1301-2420003 / 1-301-2420003) +1-301-2420004 / 0111-301-2420004 (1301-2420004 / 1-301-2420004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2420995 / 0111-301-2420995 (1301-2420995 / 1-301-2420995) +1-301-2420996 / 0111-301-2420996 (1301-2420996 / 1-301-2420996) +1-301-2420997 / 0111-301-2420997 (1301-2420997 / 1-301-2420997) +1-301-2420998 / 0111-301-2420998 (1301-2420998 / 1-301-2420998) +1-301-2420999 / 0111-301-2420999 (1301-2420999 / 1-301-2420999)