Area Code +1-301-(3388000...3388999) located in Cumberland, 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 : 3388000 Subscriber Number To : 3388999 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 : Cumberland Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.6500 Longitude : -78.7600 ‹ previous : +1-301-(3387000...3387999) next › : +1-301-(3390000...3390999) Dialling Instructions For trunk calls: 0 301 3388000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3388000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3388000 ~ 3388999 (Count: 1,000) Example: +1-301-3388000 / 0111-301-3388000 (1301-3388000 / 1-301-3388000) +1-301-3388001 / 0111-301-3388001 (1301-3388001 / 1-301-3388001) +1-301-3388002 / 0111-301-3388002 (1301-3388002 / 1-301-3388002) +1-301-3388003 / 0111-301-3388003 (1301-3388003 / 1-301-3388003) +1-301-3388004 / 0111-301-3388004 (1301-3388004 / 1-301-3388004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3388995 / 0111-301-3388995 (1301-3388995 / 1-301-3388995) +1-301-3388996 / 0111-301-3388996 (1301-3388996 / 1-301-3388996) +1-301-3388997 / 0111-301-3388997 (1301-3388997 / 1-301-3388997) +1-301-3388998 / 0111-301-3388998 (1301-3388998 / 1-301-3388998) +1-301-3388999 / 0111-301-3388999 (1301-3388999 / 1-301-3388999)