Area Code +1-301-(3681000...3681999) located in Damascus 236, 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 : 3681000 Subscriber Number To : 3681999 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 : Damascus 236 Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.2900 Longitude : -77.2100 ‹ previous : +1-301-(3680000...3680999) next › : +1-301-(3682000...3682999) Dialling Instructions For trunk calls: 0 301 3681000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3681000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3681000 ~ 3681999 (Count: 1,000) Example: +1-301-3681000 / 0111-301-3681000 (1301-3681000 / 1-301-3681000) +1-301-3681001 / 0111-301-3681001 (1301-3681001 / 1-301-3681001) +1-301-3681002 / 0111-301-3681002 (1301-3681002 / 1-301-3681002) +1-301-3681003 / 0111-301-3681003 (1301-3681003 / 1-301-3681003) +1-301-3681004 / 0111-301-3681004 (1301-3681004 / 1-301-3681004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3681995 / 0111-301-3681995 (1301-3681995 / 1-301-3681995) +1-301-3681996 / 0111-301-3681996 (1301-3681996 / 1-301-3681996) +1-301-3681997 / 0111-301-3681997 (1301-3681997 / 1-301-3681997) +1-301-3681998 / 0111-301-3681998 (1301-3681998 / 1-301-3681998) +1-301-3681999 / 0111-301-3681999 (1301-3681999 / 1-301-3681999)