Area Code +1-410-(5257000...5257999) located in Baltimore, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 410 Subscriber Number From : 5257000 Subscriber Number To : 5257999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : QUANTUM TELECOM 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 : Baltimore Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.2900 Longitude : -76.6100 ‹ previous : +1-410-(5256000...5256999) next › : +1-410-(5258000...5258999) Dialling Instructions For trunk calls: 0 410 5257000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 410 5257000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5257000 ~ 5257999 (Count: 1,000) Example: +1-410-5257000 / 0111-410-5257000 (1410-5257000 / 1-410-5257000) +1-410-5257001 / 0111-410-5257001 (1410-5257001 / 1-410-5257001) +1-410-5257002 / 0111-410-5257002 (1410-5257002 / 1-410-5257002) +1-410-5257003 / 0111-410-5257003 (1410-5257003 / 1-410-5257003) +1-410-5257004 / 0111-410-5257004 (1410-5257004 / 1-410-5257004) ...+1-410-xxxxxxx / 0111-410-xxxxxxx (1410-xxxxxxx / 1-410-xxxxxxx) ...+1-410-5257995 / 0111-410-5257995 (1410-5257995 / 1-410-5257995) +1-410-5257996 / 0111-410-5257996 (1410-5257996 / 1-410-5257996) +1-410-5257997 / 0111-410-5257997 (1410-5257997 / 1-410-5257997) +1-410-5257998 / 0111-410-5257998 (1410-5257998 / 1-410-5257998) +1-410-5257999 / 0111-410-5257999 (1410-5257999 / 1-410-5257999)