Area Code +1-301-(3281000...3281999) located in Silver Spring, 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 : 3281000 Subscriber Number To : 3281999 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 : Silver Spring Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0100 Longitude : -77.0400 ‹ previous : +1-301-(3280000...3280999) next › : +1-301-(3282000...3282999) Dialling Instructions For trunk calls: 0 301 3281000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3281000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3281000 ~ 3281999 (Count: 1,000) Example: +1-301-3281000 / 0111-301-3281000 (1301-3281000 / 1-301-3281000) +1-301-3281001 / 0111-301-3281001 (1301-3281001 / 1-301-3281001) +1-301-3281002 / 0111-301-3281002 (1301-3281002 / 1-301-3281002) +1-301-3281003 / 0111-301-3281003 (1301-3281003 / 1-301-3281003) +1-301-3281004 / 0111-301-3281004 (1301-3281004 / 1-301-3281004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3281995 / 0111-301-3281995 (1301-3281995 / 1-301-3281995) +1-301-3281996 / 0111-301-3281996 (1301-3281996 / 1-301-3281996) +1-301-3281997 / 0111-301-3281997 (1301-3281997 / 1-301-3281997) +1-301-3281998 / 0111-301-3281998 (1301-3281998 / 1-301-3281998) +1-301-3281999 / 0111-301-3281999 (1301-3281999 / 1-301-3281999)