Area Code +1-301-(2130000...2139999) 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 : 2130000 Subscriber Number To : 2139999 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 : 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-(2129000...2129999) next › : +1-301-(2140000...2149999) Dialling Instructions For trunk calls: 0 301 2130000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2130000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2130000 ~ 2139999 (Count: 10,000) Example: +1-301-2130000 / 0111-301-2130000 (1301-2130000 / 1-301-2130000) +1-301-2130001 / 0111-301-2130001 (1301-2130001 / 1-301-2130001) +1-301-2130002 / 0111-301-2130002 (1301-2130002 / 1-301-2130002) +1-301-2130003 / 0111-301-2130003 (1301-2130003 / 1-301-2130003) +1-301-2130004 / 0111-301-2130004 (1301-2130004 / 1-301-2130004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2139995 / 0111-301-2139995 (1301-2139995 / 1-301-2139995) +1-301-2139996 / 0111-301-2139996 (1301-2139996 / 1-301-2139996) +1-301-2139997 / 0111-301-2139997 (1301-2139997 / 1-301-2139997) +1-301-2139998 / 0111-301-2139998 (1301-2139998 / 1-301-2139998) +1-301-2139999 / 0111-301-2139999 (1301-2139999 / 1-301-2139999)