Area Code +1-301-(5840000...5849999) located in Layhill, 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 : 5840000 Subscriber Number To : 5849999 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 : BALTIMORE-WAS TEL 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 : Layhill Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0800 Longitude : -77.0500 ‹ previous : +1-301-(5839000...5839999) next › : +1-301-(5850000...5859999) Dialling Instructions For trunk calls: 0 301 5840000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 5840000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5840000 ~ 5849999 (Count: 10,000) Example: +1-301-5840000 / 0111-301-5840000 (1301-5840000 / 1-301-5840000) +1-301-5840001 / 0111-301-5840001 (1301-5840001 / 1-301-5840001) +1-301-5840002 / 0111-301-5840002 (1301-5840002 / 1-301-5840002) +1-301-5840003 / 0111-301-5840003 (1301-5840003 / 1-301-5840003) +1-301-5840004 / 0111-301-5840004 (1301-5840004 / 1-301-5840004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-5849995 / 0111-301-5849995 (1301-5849995 / 1-301-5849995) +1-301-5849996 / 0111-301-5849996 (1301-5849996 / 1-301-5849996) +1-301-5849997 / 0111-301-5849997 (1301-5849997 / 1-301-5849997) +1-301-5849998 / 0111-301-5849998 (1301-5849998 / 1-301-5849998) +1-301-5849999 / 0111-301-5849999 (1301-5849999 / 1-301-5849999)