Area Code +1-301-(3006000...3006999) located in Bethesda, 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 : 3006000 Subscriber Number To : 3006999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : SPRINT SPECTRUM LP 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 : Bethesda Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9800 Longitude : -77.1100 ‹ previous : +1-301-(3005000...3005999) next › : +1-301-(3007000...3007999) Dialling Instructions For trunk calls: 0 301 3006000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3006000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3006000 ~ 3006999 (Count: 1,000) Example: +1-301-3006000 / 0111-301-3006000 (1301-3006000 / 1-301-3006000) +1-301-3006001 / 0111-301-3006001 (1301-3006001 / 1-301-3006001) +1-301-3006002 / 0111-301-3006002 (1301-3006002 / 1-301-3006002) +1-301-3006003 / 0111-301-3006003 (1301-3006003 / 1-301-3006003) +1-301-3006004 / 0111-301-3006004 (1301-3006004 / 1-301-3006004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3006995 / 0111-301-3006995 (1301-3006995 / 1-301-3006995) +1-301-3006996 / 0111-301-3006996 (1301-3006996 / 1-301-3006996) +1-301-3006997 / 0111-301-3006997 (1301-3006997 / 1-301-3006997) +1-301-3006998 / 0111-301-3006998 (1301-3006998 / 1-301-3006998) +1-301-3006999 / 0111-301-3006999 (1301-3006999 / 1-301-3006999)