Area Code +1-240-(2243000...2243999) located in Gaithersburg, 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 : 2243000 Subscriber Number To : 2243999 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 : BANDWIDTH.COM - 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 : Gaithersburg Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.1400 Longitude : -77.2000 ‹ previous : +1-240-(2242000...2242999) next › : +1-240-(2244000...2244999) Dialling Instructions For trunk calls: 0 240 2243000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2243000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2243000 ~ 2243999 (Count: 1,000) Example: +1-240-2243000 / 0111-240-2243000 (1240-2243000 / 1-240-2243000) +1-240-2243001 / 0111-240-2243001 (1240-2243001 / 1-240-2243001) +1-240-2243002 / 0111-240-2243002 (1240-2243002 / 1-240-2243002) +1-240-2243003 / 0111-240-2243003 (1240-2243003 / 1-240-2243003) +1-240-2243004 / 0111-240-2243004 (1240-2243004 / 1-240-2243004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2243995 / 0111-240-2243995 (1240-2243995 / 1-240-2243995) +1-240-2243996 / 0111-240-2243996 (1240-2243996 / 1-240-2243996) +1-240-2243997 / 0111-240-2243997 (1240-2243997 / 1-240-2243997) +1-240-2243998 / 0111-240-2243998 (1240-2243998 / 1-240-2243998) +1-240-2243999 / 0111-240-2243999 (1240-2243999 / 1-240-2243999)