Area Code +1-410-(3870000...3870999) located in Baltimore, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 410 Subscriber Number From : 3870000 Subscriber Number To : 3870999 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 : GLOBAL TELECOM BKRS 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 : Baltimore Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.2900 Longitude : -76.6100 ‹ previous : +1-410-(3860000...3869999) next › : +1-410-(3871000...3871999) Dialling Instructions For trunk calls: 0 410 3870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 410 3870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3870000 ~ 3870999 (Count: 1,000) Example: +1-410-3870000 / 0111-410-3870000 (1410-3870000 / 1-410-3870000) +1-410-3870001 / 0111-410-3870001 (1410-3870001 / 1-410-3870001) +1-410-3870002 / 0111-410-3870002 (1410-3870002 / 1-410-3870002) +1-410-3870003 / 0111-410-3870003 (1410-3870003 / 1-410-3870003) +1-410-3870004 / 0111-410-3870004 (1410-3870004 / 1-410-3870004) ...+1-410-xxxxxxx / 0111-410-xxxxxxx (1410-xxxxxxx / 1-410-xxxxxxx) ...+1-410-3870995 / 0111-410-3870995 (1410-3870995 / 1-410-3870995) +1-410-3870996 / 0111-410-3870996 (1410-3870996 / 1-410-3870996) +1-410-3870997 / 0111-410-3870997 (1410-3870997 / 1-410-3870997) +1-410-3870998 / 0111-410-3870998 (1410-3870998 / 1-410-3870998) +1-410-3870999 / 0111-410-3870999 (1410-3870999 / 1-410-3870999)