Area Code +1-301-(3219000...3219999) 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 : 3219000 Subscriber Number To : 3219999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) 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-(3215000...3215999) next › : +1-301-(3220000...3229999) Dialling Instructions For trunk calls: 0 301 3219000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3219000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3219000 ~ 3219999 (Count: 1,000) Example: +1-301-3219000 / 0111-301-3219000 (1301-3219000 / 1-301-3219000) +1-301-3219001 / 0111-301-3219001 (1301-3219001 / 1-301-3219001) +1-301-3219002 / 0111-301-3219002 (1301-3219002 / 1-301-3219002) +1-301-3219003 / 0111-301-3219003 (1301-3219003 / 1-301-3219003) +1-301-3219004 / 0111-301-3219004 (1301-3219004 / 1-301-3219004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3219995 / 0111-301-3219995 (1301-3219995 / 1-301-3219995) +1-301-3219996 / 0111-301-3219996 (1301-3219996 / 1-301-3219996) +1-301-3219997 / 0111-301-3219997 (1301-3219997 / 1-301-3219997) +1-301-3219998 / 0111-301-3219998 (1301-3219998 / 1-301-3219998) +1-301-3219999 / 0111-301-3219999 (1301-3219999 / 1-301-3219999)