Area Code +1-301-(2889000...2889999) 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 : 2889000 Subscriber Number To : 2889999 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 : 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 : 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-(2888000...2888999) next › : +1-301-(2890000...2890999) Dialling Instructions For trunk calls: 0 301 2889000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2889000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2889000 ~ 2889999 (Count: 1,000) Example: +1-301-2889000 / 0111-301-2889000 (1301-2889000 / 1-301-2889000) +1-301-2889001 / 0111-301-2889001 (1301-2889001 / 1-301-2889001) +1-301-2889002 / 0111-301-2889002 (1301-2889002 / 1-301-2889002) +1-301-2889003 / 0111-301-2889003 (1301-2889003 / 1-301-2889003) +1-301-2889004 / 0111-301-2889004 (1301-2889004 / 1-301-2889004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2889995 / 0111-301-2889995 (1301-2889995 / 1-301-2889995) +1-301-2889996 / 0111-301-2889996 (1301-2889996 / 1-301-2889996) +1-301-2889997 / 0111-301-2889997 (1301-2889997 / 1-301-2889997) +1-301-2889998 / 0111-301-2889998 (1301-2889998 / 1-301-2889998) +1-301-2889999 / 0111-301-2889999 (1301-2889999 / 1-301-2889999)