Area Code +1-240-(7786000...7786999) located in Rockville, 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 : 7786000 Subscriber Number To : 7786999 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 : CBEYOND COMMS - 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 : Rockville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0900 Longitude : -77.1600 ‹ previous : +1-240-(7785000...7785999) next › : +1-240-(7787000...7787999) Dialling Instructions For trunk calls: 0 240 7786000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 7786000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7786000 ~ 7786999 (Count: 1,000) Example: +1-240-7786000 / 0111-240-7786000 (1240-7786000 / 1-240-7786000) +1-240-7786001 / 0111-240-7786001 (1240-7786001 / 1-240-7786001) +1-240-7786002 / 0111-240-7786002 (1240-7786002 / 1-240-7786002) +1-240-7786003 / 0111-240-7786003 (1240-7786003 / 1-240-7786003) +1-240-7786004 / 0111-240-7786004 (1240-7786004 / 1-240-7786004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-7786995 / 0111-240-7786995 (1240-7786995 / 1-240-7786995) +1-240-7786996 / 0111-240-7786996 (1240-7786996 / 1-240-7786996) +1-240-7786997 / 0111-240-7786997 (1240-7786997 / 1-240-7786997) +1-240-7786998 / 0111-240-7786998 (1240-7786998 / 1-240-7786998) +1-240-7786999 / 0111-240-7786999 (1240-7786999 / 1-240-7786999)