Area Code +1-240-(3770000...3770999) located in Indian Head, 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 : 3770000 Subscriber Number To : 3770999 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 : LEVEL 3 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 : Indian Head Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.6000 Longitude : -77.1600 ‹ previous : +1-240-(3760000...3769999) next › : +1-240-(3771000...3771999) Dialling Instructions For trunk calls: 0 240 3770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 3770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3770000 ~ 3770999 (Count: 1,000) Example: +1-240-3770000 / 0111-240-3770000 (1240-3770000 / 1-240-3770000) +1-240-3770001 / 0111-240-3770001 (1240-3770001 / 1-240-3770001) +1-240-3770002 / 0111-240-3770002 (1240-3770002 / 1-240-3770002) +1-240-3770003 / 0111-240-3770003 (1240-3770003 / 1-240-3770003) +1-240-3770004 / 0111-240-3770004 (1240-3770004 / 1-240-3770004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-3770995 / 0111-240-3770995 (1240-3770995 / 1-240-3770995) +1-240-3770996 / 0111-240-3770996 (1240-3770996 / 1-240-3770996) +1-240-3770997 / 0111-240-3770997 (1240-3770997 / 1-240-3770997) +1-240-3770998 / 0111-240-3770998 (1240-3770998 / 1-240-3770998) +1-240-3770999 / 0111-240-3770999 (1240-3770999 / 1-240-3770999)
