Area Code +1-301-(3928000...3928999) located in La Plata, 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 : 3928000 Subscriber Number To : 3928999 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 : ATX TELECOMM SVCS-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 : La Plata Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.5300 Longitude : -76.9800 ‹ previous : +1-301-(3927000...3927999) next › : +1-301-(3929000...3929999) Dialling Instructions For trunk calls: 0 301 3928000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3928000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3928000 ~ 3928999 (Count: 1,000) Example: +1-301-3928000 / 0111-301-3928000 (1301-3928000 / 1-301-3928000) +1-301-3928001 / 0111-301-3928001 (1301-3928001 / 1-301-3928001) +1-301-3928002 / 0111-301-3928002 (1301-3928002 / 1-301-3928002) +1-301-3928003 / 0111-301-3928003 (1301-3928003 / 1-301-3928003) +1-301-3928004 / 0111-301-3928004 (1301-3928004 / 1-301-3928004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3928995 / 0111-301-3928995 (1301-3928995 / 1-301-3928995) +1-301-3928996 / 0111-301-3928996 (1301-3928996 / 1-301-3928996) +1-301-3928997 / 0111-301-3928997 (1301-3928997 / 1-301-3928997) +1-301-3928998 / 0111-301-3928998 (1301-3928998 / 1-301-3928998) +1-301-3928999 / 0111-301-3928999 (1301-3928999 / 1-301-3928999)