Area Code +1-301-(3161000...3161999) located in Capitol Heights, 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 : 3161000 Subscriber Number To : 3161999 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 : Capitol Heights Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.8800 Longitude : -76.9200 ‹ previous : +1-301-(3160000...3160999) next › : +1-301-(3162000...3162999) Dialling Instructions For trunk calls: 0 301 3161000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3161000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3161000 ~ 3161999 (Count: 1,000) Example: +1-301-3161000 / 0111-301-3161000 (1301-3161000 / 1-301-3161000) +1-301-3161001 / 0111-301-3161001 (1301-3161001 / 1-301-3161001) +1-301-3161002 / 0111-301-3161002 (1301-3161002 / 1-301-3161002) +1-301-3161003 / 0111-301-3161003 (1301-3161003 / 1-301-3161003) +1-301-3161004 / 0111-301-3161004 (1301-3161004 / 1-301-3161004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3161995 / 0111-301-3161995 (1301-3161995 / 1-301-3161995) +1-301-3161996 / 0111-301-3161996 (1301-3161996 / 1-301-3161996) +1-301-3161997 / 0111-301-3161997 (1301-3161997 / 1-301-3161997) +1-301-3161998 / 0111-301-3161998 (1301-3161998 / 1-301-3161998) +1-301-3161999 / 0111-301-3161999 (1301-3161999 / 1-301-3161999)