Area Code +1-301-(2700000...2709999) 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 : 2700000 Subscriber Number To : 2709999 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 : VERIZON MARYLAND INC 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-(2690000...2699999) next › : +1-301-(2710000...2710999) Dialling Instructions For trunk calls: 0 301 2700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2700000 ~ 2709999 (Count: 10,000) Example: +1-301-2700000 / 0111-301-2700000 (1301-2700000 / 1-301-2700000) +1-301-2700001 / 0111-301-2700001 (1301-2700001 / 1-301-2700001) +1-301-2700002 / 0111-301-2700002 (1301-2700002 / 1-301-2700002) +1-301-2700003 / 0111-301-2700003 (1301-2700003 / 1-301-2700003) +1-301-2700004 / 0111-301-2700004 (1301-2700004 / 1-301-2700004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2709995 / 0111-301-2709995 (1301-2709995 / 1-301-2709995) +1-301-2709996 / 0111-301-2709996 (1301-2709996 / 1-301-2709996) +1-301-2709997 / 0111-301-2709997 (1301-2709997 / 1-301-2709997) +1-301-2709998 / 0111-301-2709998 (1301-2709998 / 1-301-2709998) +1-301-2709999 / 0111-301-2709999 (1301-2709999 / 1-301-2709999)