Area Code +1-240-(3985000...3985999) located in Silver Spring, 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 : 3985000 Subscriber Number To : 3985999 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 : US LEC 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 : Silver Spring Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0100 Longitude : -77.0400 ‹ previous : +1-240-(3984000...3984999) next › : +1-240-(3986000...3986999) Dialling Instructions For trunk calls: 0 240 3985000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 3985000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3985000 ~ 3985999 (Count: 1,000) Example: +1-240-3985000 / 0111-240-3985000 (1240-3985000 / 1-240-3985000) +1-240-3985001 / 0111-240-3985001 (1240-3985001 / 1-240-3985001) +1-240-3985002 / 0111-240-3985002 (1240-3985002 / 1-240-3985002) +1-240-3985003 / 0111-240-3985003 (1240-3985003 / 1-240-3985003) +1-240-3985004 / 0111-240-3985004 (1240-3985004 / 1-240-3985004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-3985995 / 0111-240-3985995 (1240-3985995 / 1-240-3985995) +1-240-3985996 / 0111-240-3985996 (1240-3985996 / 1-240-3985996) +1-240-3985997 / 0111-240-3985997 (1240-3985997 / 1-240-3985997) +1-240-3985998 / 0111-240-3985998 (1240-3985998 / 1-240-3985998) +1-240-3985999 / 0111-240-3985999 (1240-3985999 / 1-240-3985999)