Area Code +1-240-(3978000...3978999) 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 : 3978000 Subscriber Number To : 3978999 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 : 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-(3977000...3977999) next › : +1-240-(3979000...3979999) Dialling Instructions For trunk calls: 0 240 3978000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 3978000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3978000 ~ 3978999 (Count: 1,000) Example: +1-240-3978000 / 0111-240-3978000 (1240-3978000 / 1-240-3978000) +1-240-3978001 / 0111-240-3978001 (1240-3978001 / 1-240-3978001) +1-240-3978002 / 0111-240-3978002 (1240-3978002 / 1-240-3978002) +1-240-3978003 / 0111-240-3978003 (1240-3978003 / 1-240-3978003) +1-240-3978004 / 0111-240-3978004 (1240-3978004 / 1-240-3978004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-3978995 / 0111-240-3978995 (1240-3978995 / 1-240-3978995) +1-240-3978996 / 0111-240-3978996 (1240-3978996 / 1-240-3978996) +1-240-3978997 / 0111-240-3978997 (1240-3978997 / 1-240-3978997) +1-240-3978998 / 0111-240-3978998 (1240-3978998 / 1-240-3978998) +1-240-3978999 / 0111-240-3978999 (1240-3978999 / 1-240-3978999)
