Area Code +1-240-(2750000...2759999) located in Grantsville, 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 : 2750000 Subscriber Number To : 2759999 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 : CORE 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 : Grantsville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.7000 Longitude : -79.1600 ‹ previous : +1-240-(2740000...2749999) next › : +1-240-(2760000...2760999) Dialling Instructions For trunk calls: 0 240 2750000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2750000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2750000 ~ 2759999 (Count: 10,000) Example: +1-240-2750000 / 0111-240-2750000 (1240-2750000 / 1-240-2750000) +1-240-2750001 / 0111-240-2750001 (1240-2750001 / 1-240-2750001) +1-240-2750002 / 0111-240-2750002 (1240-2750002 / 1-240-2750002) +1-240-2750003 / 0111-240-2750003 (1240-2750003 / 1-240-2750003) +1-240-2750004 / 0111-240-2750004 (1240-2750004 / 1-240-2750004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2759995 / 0111-240-2759995 (1240-2759995 / 1-240-2759995) +1-240-2759996 / 0111-240-2759996 (1240-2759996 / 1-240-2759996) +1-240-2759997 / 0111-240-2759997 (1240-2759997 / 1-240-2759997) +1-240-2759998 / 0111-240-2759998 (1240-2759998 / 1-240-2759998) +1-240-2759999 / 0111-240-2759999 (1240-2759999 / 1-240-2759999)