Area Code +1-301-(2240000...2249999) located in Bethesda, 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 : 2240000 Subscriber Number To : 2249999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : USA MOBILITY WRLS 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 : Bethesda Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9800 Longitude : -77.1100 ‹ previous : +1-301-(2239000...2239999) next › : +1-301-(2250000...2259999) Dialling Instructions For trunk calls: 0 301 2240000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2240000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2240000 ~ 2249999 (Count: 10,000) Example: +1-301-2240000 / 0111-301-2240000 (1301-2240000 / 1-301-2240000) +1-301-2240001 / 0111-301-2240001 (1301-2240001 / 1-301-2240001) +1-301-2240002 / 0111-301-2240002 (1301-2240002 / 1-301-2240002) +1-301-2240003 / 0111-301-2240003 (1301-2240003 / 1-301-2240003) +1-301-2240004 / 0111-301-2240004 (1301-2240004 / 1-301-2240004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2249995 / 0111-301-2249995 (1301-2249995 / 1-301-2249995) +1-301-2249996 / 0111-301-2249996 (1301-2249996 / 1-301-2249996) +1-301-2249997 / 0111-301-2249997 (1301-2249997 / 1-301-2249997) +1-301-2249998 / 0111-301-2249998 (1301-2249998 / 1-301-2249998) +1-301-2249999 / 0111-301-2249999 (1301-2249999 / 1-301-2249999)