Area Code +1-240-(8570000...8579999) located in Capitol Heights, 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 : 8570000 Subscriber Number To : 8579999 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 : TW TELECOM 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 : Capitol Heights Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.8800 Longitude : -76.9200 ‹ previous : +1-240-(8559000...8559999) next › : +1-240-(8630000...8630999) Dialling Instructions For trunk calls: 0 240 8570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 8570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8570000 ~ 8579999 (Count: 10,000) Example: +1-240-8570000 / 0111-240-8570000 (1240-8570000 / 1-240-8570000) +1-240-8570001 / 0111-240-8570001 (1240-8570001 / 1-240-8570001) +1-240-8570002 / 0111-240-8570002 (1240-8570002 / 1-240-8570002) +1-240-8570003 / 0111-240-8570003 (1240-8570003 / 1-240-8570003) +1-240-8570004 / 0111-240-8570004 (1240-8570004 / 1-240-8570004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-8579995 / 0111-240-8579995 (1240-8579995 / 1-240-8579995) +1-240-8579996 / 0111-240-8579996 (1240-8579996 / 1-240-8579996) +1-240-8579997 / 0111-240-8579997 (1240-8579997 / 1-240-8579997) +1-240-8579998 / 0111-240-8579998 (1240-8579998 / 1-240-8579998) +1-240-8579999 / 0111-240-8579999 (1240-8579999 / 1-240-8579999)