Area Code +1-240-(2104000...2104999) located in Waldorf, 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 : 2104000 Subscriber Number To : 2104999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS DC 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 : Waldorf Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.6300 Longitude : -76.9100 ‹ previous : +1-240-(2103000...2103999) next › : +1-240-(2105000...2105999) Dialling Instructions For trunk calls: 0 240 2104000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2104000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2104000 ~ 2104999 (Count: 1,000) Example: +1-240-2104000 / 0111-240-2104000 (1240-2104000 / 1-240-2104000) +1-240-2104001 / 0111-240-2104001 (1240-2104001 / 1-240-2104001) +1-240-2104002 / 0111-240-2104002 (1240-2104002 / 1-240-2104002) +1-240-2104003 / 0111-240-2104003 (1240-2104003 / 1-240-2104003) +1-240-2104004 / 0111-240-2104004 (1240-2104004 / 1-240-2104004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2104995 / 0111-240-2104995 (1240-2104995 / 1-240-2104995) +1-240-2104996 / 0111-240-2104996 (1240-2104996 / 1-240-2104996) +1-240-2104997 / 0111-240-2104997 (1240-2104997 / 1-240-2104997) +1-240-2104998 / 0111-240-2104998 (1240-2104998 / 1-240-2104998) +1-240-2104999 / 0111-240-2104999 (1240-2104999 / 1-240-2104999)