Area Code +1-240-(3840000...3849999) located in Lexington Park-Great Mills, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 240 Subscriber Number From : 3840000 Subscriber Number To : 3849999 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 : PEERLESS NTWK - 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 : Lexington Park-Great Mills Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.2400 Longitude : -76.4900 ‹ previous : +1-240-(3839000...3839999) next › : +1-240-(3850000...3850999) Dialling Instructions For trunk calls: 0 240 3840000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 3840000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3840000 ~ 3849999 (Count: 10,000) Example: +1-240-3840000 / 0111-240-3840000 (1240-3840000 / 1-240-3840000) +1-240-3840001 / 0111-240-3840001 (1240-3840001 / 1-240-3840001) +1-240-3840002 / 0111-240-3840002 (1240-3840002 / 1-240-3840002) +1-240-3840003 / 0111-240-3840003 (1240-3840003 / 1-240-3840003) +1-240-3840004 / 0111-240-3840004 (1240-3840004 / 1-240-3840004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-3849995 / 0111-240-3849995 (1240-3849995 / 1-240-3849995) +1-240-3849996 / 0111-240-3849996 (1240-3849996 / 1-240-3849996) +1-240-3849997 / 0111-240-3849997 (1240-3849997 / 1-240-3849997) +1-240-3849998 / 0111-240-3849998 (1240-3849998 / 1-240-3849998) +1-240-3849999 / 0111-240-3849999 (1240-3849999 / 1-240-3849999)