Area Code +1-240-(6120000...6120999) located in Capitol Heights, 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 : 6120000 Subscriber Number To : 6120999 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 : TW TELECOM OF 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 : Capitol Heights Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.8800 Longitude : -76.9200 ‹ previous : +1-240-(6081000...6081999) next › : +1-240-(6121000...6121999) Dialling Instructions For trunk calls: 0 240 6120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 6120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6120000 ~ 6120999 (Count: 1,000) Example: +1-240-6120000 / 0111-240-6120000 (1240-6120000 / 1-240-6120000) +1-240-6120001 / 0111-240-6120001 (1240-6120001 / 1-240-6120001) +1-240-6120002 / 0111-240-6120002 (1240-6120002 / 1-240-6120002) +1-240-6120003 / 0111-240-6120003 (1240-6120003 / 1-240-6120003) +1-240-6120004 / 0111-240-6120004 (1240-6120004 / 1-240-6120004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-6120995 / 0111-240-6120995 (1240-6120995 / 1-240-6120995) +1-240-6120996 / 0111-240-6120996 (1240-6120996 / 1-240-6120996) +1-240-6120997 / 0111-240-6120997 (1240-6120997 / 1-240-6120997) +1-240-6120998 / 0111-240-6120998 (1240-6120998 / 1-240-6120998) +1-240-6120999 / 0111-240-6120999 (1240-6120999 / 1-240-6120999)