Area Code +1-301-(2962000...2962999) located in Rockville, 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 : 2962000 Subscriber Number To : 2962999 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 : Rockville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0900 Longitude : -77.1600 ‹ previous : +1-301-(2961000...2961999) next › : +1-301-(2963000...2963999) Dialling Instructions For trunk calls: 0 301 2962000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2962000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2962000 ~ 2962999 (Count: 1,000) Example: +1-301-2962000 / 0111-301-2962000 (1301-2962000 / 1-301-2962000) +1-301-2962001 / 0111-301-2962001 (1301-2962001 / 1-301-2962001) +1-301-2962002 / 0111-301-2962002 (1301-2962002 / 1-301-2962002) +1-301-2962003 / 0111-301-2962003 (1301-2962003 / 1-301-2962003) +1-301-2962004 / 0111-301-2962004 (1301-2962004 / 1-301-2962004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2962995 / 0111-301-2962995 (1301-2962995 / 1-301-2962995) +1-301-2962996 / 0111-301-2962996 (1301-2962996 / 1-301-2962996) +1-301-2962997 / 0111-301-2962997 (1301-2962997 / 1-301-2962997) +1-301-2962998 / 0111-301-2962998 (1301-2962998 / 1-301-2962998) +1-301-2962999 / 0111-301-2962999 (1301-2962999 / 1-301-2962999)