Area Code +1-301-(3380000...3380999) located in Cumberland, 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 : 3380000 Subscriber Number To : 3380999 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 : Cumberland Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.6500 Longitude : -78.7600 ‹ previous : +1-301-(3379000...3379999) next › : +1-301-(3381000...3381999) Dialling Instructions For trunk calls: 0 301 3380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 3380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3380000 ~ 3380999 (Count: 1,000) Example: +1-301-3380000 / 0111-301-3380000 (1301-3380000 / 1-301-3380000) +1-301-3380001 / 0111-301-3380001 (1301-3380001 / 1-301-3380001) +1-301-3380002 / 0111-301-3380002 (1301-3380002 / 1-301-3380002) +1-301-3380003 / 0111-301-3380003 (1301-3380003 / 1-301-3380003) +1-301-3380004 / 0111-301-3380004 (1301-3380004 / 1-301-3380004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-3380995 / 0111-301-3380995 (1301-3380995 / 1-301-3380995) +1-301-3380996 / 0111-301-3380996 (1301-3380996 / 1-301-3380996) +1-301-3380997 / 0111-301-3380997 (1301-3380997 / 1-301-3380997) +1-301-3380998 / 0111-301-3380998 (1301-3380998 / 1-301-3380998) +1-301-3380999 / 0111-301-3380999 (1301-3380999 / 1-301-3380999)