Area Code +1-301-(2734000...2734999) 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 : 2734000 Subscriber Number To : 2734999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS DC 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-(2733000...2733999) next › : +1-301-(2735000...2735999) Dialling Instructions For trunk calls: 0 301 2734000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2734000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2734000 ~ 2734999 (Count: 1,000) Example: +1-301-2734000 / 0111-301-2734000 (1301-2734000 / 1-301-2734000) +1-301-2734001 / 0111-301-2734001 (1301-2734001 / 1-301-2734001) +1-301-2734002 / 0111-301-2734002 (1301-2734002 / 1-301-2734002) +1-301-2734003 / 0111-301-2734003 (1301-2734003 / 1-301-2734003) +1-301-2734004 / 0111-301-2734004 (1301-2734004 / 1-301-2734004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2734995 / 0111-301-2734995 (1301-2734995 / 1-301-2734995) +1-301-2734996 / 0111-301-2734996 (1301-2734996 / 1-301-2734996) +1-301-2734997 / 0111-301-2734997 (1301-2734997 / 1-301-2734997) +1-301-2734998 / 0111-301-2734998 (1301-2734998 / 1-301-2734998) +1-301-2734999 / 0111-301-2734999 (1301-2734999 / 1-301-2734999)