Area Code +1-301-(3211000...3211999) located in Kensington, 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 : 3211000 Subscriber Number To : 3211999 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 : TELCOVE OPERAT - 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 : Kensington Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0200 Longitude : -77.0800 ‹ previous : +1-301-(3210000...3210999) next › : +1-301-(3215000...3215999) Dialling Instructions For trunk calls: 0 301 3211000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3211000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3211000 ~ 3211999 (Count: 1,000) Example: +1-301-3211000 / 0111-301-3211000 (1301-3211000 / 1-301-3211000) +1-301-3211001 / 0111-301-3211001 (1301-3211001 / 1-301-3211001) +1-301-3211002 / 0111-301-3211002 (1301-3211002 / 1-301-3211002) +1-301-3211003 / 0111-301-3211003 (1301-3211003 / 1-301-3211003) +1-301-3211004 / 0111-301-3211004 (1301-3211004 / 1-301-3211004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3211995 / 0111-301-3211995 (1301-3211995 / 1-301-3211995) +1-301-3211996 / 0111-301-3211996 (1301-3211996 / 1-301-3211996) +1-301-3211997 / 0111-301-3211997 (1301-3211997 / 1-301-3211997) +1-301-3211998 / 0111-301-3211998 (1301-3211998 / 1-301-3211998) +1-301-3211999 / 0111-301-3211999 (1301-3211999 / 1-301-3211999)