Area Code +1-240-(3384000...3384999) located in Silver Spring, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 240 Subscriber Number From : 3384000 Subscriber Number To : 3384999 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 : Silver Spring Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0100 Longitude : -77.0400 ‹ previous : +1-240-(3383000...3383999) next › : +1-240-(3385000...3385999) Dialling Instructions For trunk calls: 0 240 3384000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 3384000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3384000 ~ 3384999 (Count: 1,000) Example: +1-240-3384000 / 0111-240-3384000 (1240-3384000 / 1-240-3384000) +1-240-3384001 / 0111-240-3384001 (1240-3384001 / 1-240-3384001) +1-240-3384002 / 0111-240-3384002 (1240-3384002 / 1-240-3384002) +1-240-3384003 / 0111-240-3384003 (1240-3384003 / 1-240-3384003) +1-240-3384004 / 0111-240-3384004 (1240-3384004 / 1-240-3384004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-3384995 / 0111-240-3384995 (1240-3384995 / 1-240-3384995) +1-240-3384996 / 0111-240-3384996 (1240-3384996 / 1-240-3384996) +1-240-3384997 / 0111-240-3384997 (1240-3384997 / 1-240-3384997) +1-240-3384998 / 0111-240-3384998 (1240-3384998 / 1-240-3384998) +1-240-3384999 / 0111-240-3384999 (1240-3384999 / 1-240-3384999)