Area Code +1-240-(8000000...8000999) located in Bethesda, 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 : 8000000 Subscriber Number To : 8000999 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 : CORE 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 : Bethesda Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9800 Longitude : -77.1100 ‹ previous : +1-240-(7949000...7949999) next › : +1-240-(8002000...8002999) Dialling Instructions For trunk calls: 0 240 8000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 8000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8000000 ~ 8000999 (Count: 1,000) Example: +1-240-8000000 / 0111-240-8000000 (1240-8000000 / 1-240-8000000) +1-240-8000001 / 0111-240-8000001 (1240-8000001 / 1-240-8000001) +1-240-8000002 / 0111-240-8000002 (1240-8000002 / 1-240-8000002) +1-240-8000003 / 0111-240-8000003 (1240-8000003 / 1-240-8000003) +1-240-8000004 / 0111-240-8000004 (1240-8000004 / 1-240-8000004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-8000995 / 0111-240-8000995 (1240-8000995 / 1-240-8000995) +1-240-8000996 / 0111-240-8000996 (1240-8000996 / 1-240-8000996) +1-240-8000997 / 0111-240-8000997 (1240-8000997 / 1-240-8000997) +1-240-8000998 / 0111-240-8000998 (1240-8000998 / 1-240-8000998) +1-240-8000999 / 0111-240-8000999 (1240-8000999 / 1-240-8000999)