Area Code +1-301-(3318000...3318999) located in Hagerstown, 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 : 3318000 Subscriber Number To : 3318999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : SPRINT SPECTRUM 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 : Hagerstown Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.6400 Longitude : -77.7200 ‹ previous : +1-301-(3317000...3317999) next › : +1-301-(3319000...3319999) Dialling Instructions For trunk calls: 0 301 3318000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3318000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3318000 ~ 3318999 (Count: 1,000) Example: +1-301-3318000 / 0111-301-3318000 (1301-3318000 / 1-301-3318000) +1-301-3318001 / 0111-301-3318001 (1301-3318001 / 1-301-3318001) +1-301-3318002 / 0111-301-3318002 (1301-3318002 / 1-301-3318002) +1-301-3318003 / 0111-301-3318003 (1301-3318003 / 1-301-3318003) +1-301-3318004 / 0111-301-3318004 (1301-3318004 / 1-301-3318004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3318995 / 0111-301-3318995 (1301-3318995 / 1-301-3318995) +1-301-3318996 / 0111-301-3318996 (1301-3318996 / 1-301-3318996) +1-301-3318997 / 0111-301-3318997 (1301-3318997 / 1-301-3318997) +1-301-3318998 / 0111-301-3318998 (1301-3318998 / 1-301-3318998) +1-301-3318999 / 0111-301-3318999 (1301-3318999 / 1-301-3318999)