Area Code +1-301-(2812000...2812999) located in Oxon Hill, 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 : 2812000 Subscriber Number To : 2812999 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 : MCI WORLDCOM 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 : Oxon Hill Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.8000 Longitude : -76.9900 ‹ previous : +1-301-(2811000...2811999) next › : +1-301-(2813000...2813999) Dialling Instructions For trunk calls: 0 301 2812000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2812000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2812000 ~ 2812999 (Count: 1,000) Example: +1-301-2812000 / 0111-301-2812000 (1301-2812000 / 1-301-2812000) +1-301-2812001 / 0111-301-2812001 (1301-2812001 / 1-301-2812001) +1-301-2812002 / 0111-301-2812002 (1301-2812002 / 1-301-2812002) +1-301-2812003 / 0111-301-2812003 (1301-2812003 / 1-301-2812003) +1-301-2812004 / 0111-301-2812004 (1301-2812004 / 1-301-2812004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2812995 / 0111-301-2812995 (1301-2812995 / 1-301-2812995) +1-301-2812996 / 0111-301-2812996 (1301-2812996 / 1-301-2812996) +1-301-2812997 / 0111-301-2812997 (1301-2812997 / 1-301-2812997) +1-301-2812998 / 0111-301-2812998 (1301-2812998 / 1-301-2812998) +1-301-2812999 / 0111-301-2812999 (1301-2812999 / 1-301-2812999)