Area Code +1-301-(2875000...2875999) 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 : 2875000 Subscriber Number To : 2875999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : MCI WORLDCOM COMM 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-(2874000...2874999) next › : +1-301-(2876000...2876999) Dialling Instructions For trunk calls: 0 301 2875000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2875000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2875000 ~ 2875999 (Count: 1,000) Example: +1-301-2875000 / 0111-301-2875000 (1301-2875000 / 1-301-2875000) +1-301-2875001 / 0111-301-2875001 (1301-2875001 / 1-301-2875001) +1-301-2875002 / 0111-301-2875002 (1301-2875002 / 1-301-2875002) +1-301-2875003 / 0111-301-2875003 (1301-2875003 / 1-301-2875003) +1-301-2875004 / 0111-301-2875004 (1301-2875004 / 1-301-2875004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2875995 / 0111-301-2875995 (1301-2875995 / 1-301-2875995) +1-301-2875996 / 0111-301-2875996 (1301-2875996 / 1-301-2875996) +1-301-2875997 / 0111-301-2875997 (1301-2875997 / 1-301-2875997) +1-301-2875998 / 0111-301-2875998 (1301-2875998 / 1-301-2875998) +1-301-2875999 / 0111-301-2875999 (1301-2875999 / 1-301-2875999)