Area Code +1-301-(6791000...6791999) 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 : 6791000 Subscriber Number To : 6791999 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 : CBEYOND COMMS - 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 : 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-(6790000...6790999) next › : +1-301-(6792000...6792999) Dialling Instructions For trunk calls: 0 301 6791000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 6791000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6791000 ~ 6791999 (Count: 1,000) Example: +1-301-6791000 / 0111-301-6791000 (1301-6791000 / 1-301-6791000) +1-301-6791001 / 0111-301-6791001 (1301-6791001 / 1-301-6791001) +1-301-6791002 / 0111-301-6791002 (1301-6791002 / 1-301-6791002) +1-301-6791003 / 0111-301-6791003 (1301-6791003 / 1-301-6791003) +1-301-6791004 / 0111-301-6791004 (1301-6791004 / 1-301-6791004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-6791995 / 0111-301-6791995 (1301-6791995 / 1-301-6791995) +1-301-6791996 / 0111-301-6791996 (1301-6791996 / 1-301-6791996) +1-301-6791997 / 0111-301-6791997 (1301-6791997 / 1-301-6791997) +1-301-6791998 / 0111-301-6791998 (1301-6791998 / 1-301-6791998) +1-301-6791999 / 0111-301-6791999 (1301-6791999 / 1-301-6791999)