Area Code +1-301-(3140000...3149999) located in Hyattsville, 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 : 3140000 Subscriber Number To : 3149999 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 : PAETEC COMM - 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 : Hyattsville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9500 Longitude : -76.9500 ‹ previous : +1-301-(3139000...3139999) next › : +1-301-(3150000...3159999) Dialling Instructions For trunk calls: 0 301 3140000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3140000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3140000 ~ 3149999 (Count: 10,000) Example: +1-301-3140000 / 0111-301-3140000 (1301-3140000 / 1-301-3140000) +1-301-3140001 / 0111-301-3140001 (1301-3140001 / 1-301-3140001) +1-301-3140002 / 0111-301-3140002 (1301-3140002 / 1-301-3140002) +1-301-3140003 / 0111-301-3140003 (1301-3140003 / 1-301-3140003) +1-301-3140004 / 0111-301-3140004 (1301-3140004 / 1-301-3140004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3149995 / 0111-301-3149995 (1301-3149995 / 1-301-3149995) +1-301-3149996 / 0111-301-3149996 (1301-3149996 / 1-301-3149996) +1-301-3149997 / 0111-301-3149997 (1301-3149997 / 1-301-3149997) +1-301-3149998 / 0111-301-3149998 (1301-3149998 / 1-301-3149998) +1-301-3149999 / 0111-301-3149999 (1301-3149999 / 1-301-3149999)