Area Code +1-301-(3720000...3720999) located in Clinton, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 301 Subscriber Number From : 3720000 Subscriber Number To : 3720999 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 : VERIZON MARYLAND INC 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 : Clinton Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.7700 Longitude : -76.9000 ‹ previous : +1-301-(3719000...3719999) next › : +1-301-(3721000...3721999) Dialling Instructions For trunk calls: 0 301 3720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3720000 ~ 3720999 (Count: 1,000) Example: +1-301-3720000 / 0111-301-3720000 (1301-3720000 / 1-301-3720000) +1-301-3720001 / 0111-301-3720001 (1301-3720001 / 1-301-3720001) +1-301-3720002 / 0111-301-3720002 (1301-3720002 / 1-301-3720002) +1-301-3720003 / 0111-301-3720003 (1301-3720003 / 1-301-3720003) +1-301-3720004 / 0111-301-3720004 (1301-3720004 / 1-301-3720004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3720995 / 0111-301-3720995 (1301-3720995 / 1-301-3720995) +1-301-3720996 / 0111-301-3720996 (1301-3720996 / 1-301-3720996) +1-301-3720997 / 0111-301-3720997 (1301-3720997 / 1-301-3720997) +1-301-3720998 / 0111-301-3720998 (1301-3720998 / 1-301-3720998) +1-301-3720999 / 0111-301-3720999 (1301-3720999 / 1-301-3720999)
