Area Code +1-301-(3680000...3680999) 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 : 3680000 Subscriber Number To : 3680999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) 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-(3670000...3679999) next › : +1-301-(3681000...3681999) Dialling Instructions For trunk calls: 0 301 3680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3680000 ~ 3680999 (Count: 1,000) Example: +1-301-3680000 / 0111-301-3680000 (1301-3680000 / 1-301-3680000) +1-301-3680001 / 0111-301-3680001 (1301-3680001 / 1-301-3680001) +1-301-3680002 / 0111-301-3680002 (1301-3680002 / 1-301-3680002) +1-301-3680003 / 0111-301-3680003 (1301-3680003 / 1-301-3680003) +1-301-3680004 / 0111-301-3680004 (1301-3680004 / 1-301-3680004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3680995 / 0111-301-3680995 (1301-3680995 / 1-301-3680995) +1-301-3680996 / 0111-301-3680996 (1301-3680996 / 1-301-3680996) +1-301-3680997 / 0111-301-3680997 (1301-3680997 / 1-301-3680997) +1-301-3680998 / 0111-301-3680998 (1301-3680998 / 1-301-3680998) +1-301-3680999 / 0111-301-3680999 (1301-3680999 / 1-301-3680999)