Area Code +1-301-(3163000...3163999) 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 : 3163000 Subscriber Number To : 3163999 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-(3162000...3162999) next › : +1-301-(3164000...3164999) Dialling Instructions For trunk calls: 0 301 3163000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3163000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3163000 ~ 3163999 (Count: 1,000) Example: +1-301-3163000 / 0111-301-3163000 (1301-3163000 / 1-301-3163000) +1-301-3163001 / 0111-301-3163001 (1301-3163001 / 1-301-3163001) +1-301-3163002 / 0111-301-3163002 (1301-3163002 / 1-301-3163002) +1-301-3163003 / 0111-301-3163003 (1301-3163003 / 1-301-3163003) +1-301-3163004 / 0111-301-3163004 (1301-3163004 / 1-301-3163004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3163995 / 0111-301-3163995 (1301-3163995 / 1-301-3163995) +1-301-3163996 / 0111-301-3163996 (1301-3163996 / 1-301-3163996) +1-301-3163997 / 0111-301-3163997 (1301-3163997 / 1-301-3163997) +1-301-3163998 / 0111-301-3163998 (1301-3163998 / 1-301-3163998) +1-301-3163999 / 0111-301-3163999 (1301-3163999 / 1-301-3163999)