Area Code +1-240-(2156000...2156999) located in Frederick, 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 : 2156000 Subscriber Number To : 2156999 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 : TELCOVE OPERAT - 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 : Frederick Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.4200 Longitude : -77.4100 ‹ previous : +1-240-(2155000...2155999) next › : +1-240-(2157000...2157999) Dialling Instructions For trunk calls: 0 240 2156000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2156000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2156000 ~ 2156999 (Count: 1,000) Example: +1-240-2156000 / 0111-240-2156000 (1240-2156000 / 1-240-2156000) +1-240-2156001 / 0111-240-2156001 (1240-2156001 / 1-240-2156001) +1-240-2156002 / 0111-240-2156002 (1240-2156002 / 1-240-2156002) +1-240-2156003 / 0111-240-2156003 (1240-2156003 / 1-240-2156003) +1-240-2156004 / 0111-240-2156004 (1240-2156004 / 1-240-2156004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2156995 / 0111-240-2156995 (1240-2156995 / 1-240-2156995) +1-240-2156996 / 0111-240-2156996 (1240-2156996 / 1-240-2156996) +1-240-2156997 / 0111-240-2156997 (1240-2156997 / 1-240-2156997) +1-240-2156998 / 0111-240-2156998 (1240-2156998 / 1-240-2156998) +1-240-2156999 / 0111-240-2156999 (1240-2156999 / 1-240-2156999)