Area Code +1-240-(8211000...8211999) 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 : 8211000 Subscriber Number To : 8211999 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 : LIGHTWAVE 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 : 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-(8210000...8210999) next › : +1-240-(8212000...8212999) Dialling Instructions For trunk calls: 0 240 8211000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 8211000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8211000 ~ 8211999 (Count: 1,000) Example: +1-240-8211000 / 0111-240-8211000 (1240-8211000 / 1-240-8211000) +1-240-8211001 / 0111-240-8211001 (1240-8211001 / 1-240-8211001) +1-240-8211002 / 0111-240-8211002 (1240-8211002 / 1-240-8211002) +1-240-8211003 / 0111-240-8211003 (1240-8211003 / 1-240-8211003) +1-240-8211004 / 0111-240-8211004 (1240-8211004 / 1-240-8211004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-8211995 / 0111-240-8211995 (1240-8211995 / 1-240-8211995) +1-240-8211996 / 0111-240-8211996 (1240-8211996 / 1-240-8211996) +1-240-8211997 / 0111-240-8211997 (1240-8211997 / 1-240-8211997) +1-240-8211998 / 0111-240-8211998 (1240-8211998 / 1-240-8211998) +1-240-8211999 / 0111-240-8211999 (1240-8211999 / 1-240-8211999)