Area Code +1-240-(5106000...5106999) located in Upper Marlboro, 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 : 5106000 Subscriber Number To : 5106999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : METRO PCS INC. 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 : Upper Marlboro Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.8200 Longitude : -76.7500 ‹ previous : +1-240-(5105000...5105999) next › : +1-240-(5109000...5109999) Dialling Instructions For trunk calls: 0 240 5106000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 5106000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5106000 ~ 5106999 (Count: 1,000) Example: +1-240-5106000 / 0111-240-5106000 (1240-5106000 / 1-240-5106000) +1-240-5106001 / 0111-240-5106001 (1240-5106001 / 1-240-5106001) +1-240-5106002 / 0111-240-5106002 (1240-5106002 / 1-240-5106002) +1-240-5106003 / 0111-240-5106003 (1240-5106003 / 1-240-5106003) +1-240-5106004 / 0111-240-5106004 (1240-5106004 / 1-240-5106004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-5106995 / 0111-240-5106995 (1240-5106995 / 1-240-5106995) +1-240-5106996 / 0111-240-5106996 (1240-5106996 / 1-240-5106996) +1-240-5106997 / 0111-240-5106997 (1240-5106997 / 1-240-5106997) +1-240-5106998 / 0111-240-5106998 (1240-5106998 / 1-240-5106998) +1-240-5106999 / 0111-240-5106999 (1240-5106999 / 1-240-5106999)