Area Code +1-301-(3315000...3315999) 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 : 3315000 Subscriber Number To : 3315999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS DC 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-(3314000...3314999) next › : +1-301-(3316000...3316999) Dialling Instructions For trunk calls: 0 301 3315000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3315000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3315000 ~ 3315999 (Count: 1,000) Example: +1-301-3315000 / 0111-301-3315000 (1301-3315000 / 1-301-3315000) +1-301-3315001 / 0111-301-3315001 (1301-3315001 / 1-301-3315001) +1-301-3315002 / 0111-301-3315002 (1301-3315002 / 1-301-3315002) +1-301-3315003 / 0111-301-3315003 (1301-3315003 / 1-301-3315003) +1-301-3315004 / 0111-301-3315004 (1301-3315004 / 1-301-3315004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3315995 / 0111-301-3315995 (1301-3315995 / 1-301-3315995) +1-301-3315996 / 0111-301-3315996 (1301-3315996 / 1-301-3315996) +1-301-3315997 / 0111-301-3315997 (1301-3315997 / 1-301-3315997) +1-301-3315998 / 0111-301-3315998 (1301-3315998 / 1-301-3315998) +1-301-3315999 / 0111-301-3315999 (1301-3315999 / 1-301-3315999)