Area Code +1-240-(4051000...4051999) located in Frederick, 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 : 4051000 Subscriber Number To : 4051999 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 : US LEC OF 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 : Frederick Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.4200 Longitude : -77.4100 ‹ previous : +1-240-(4050000...4050999) next › : +1-240-(4052000...4052999) Dialling Instructions For trunk calls: 0 240 4051000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 4051000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4051000 ~ 4051999 (Count: 1,000) Example: +1-240-4051000 / 0111-240-4051000 (1240-4051000 / 1-240-4051000) +1-240-4051001 / 0111-240-4051001 (1240-4051001 / 1-240-4051001) +1-240-4051002 / 0111-240-4051002 (1240-4051002 / 1-240-4051002) +1-240-4051003 / 0111-240-4051003 (1240-4051003 / 1-240-4051003) +1-240-4051004 / 0111-240-4051004 (1240-4051004 / 1-240-4051004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-4051995 / 0111-240-4051995 (1240-4051995 / 1-240-4051995) +1-240-4051996 / 0111-240-4051996 (1240-4051996 / 1-240-4051996) +1-240-4051997 / 0111-240-4051997 (1240-4051997 / 1-240-4051997) +1-240-4051998 / 0111-240-4051998 (1240-4051998 / 1-240-4051998) +1-240-4051999 / 0111-240-4051999 (1240-4051999 / 1-240-4051999)
