Area Code +1-240-(4903000...4903999) located in Middletown, 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 : 4903000 Subscriber Number To : 4903999 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 : MCI WORLDCOM COMM 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 : Middletown Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.4400 Longitude : -77.5400 ‹ previous : +1-240-(4902000...4902999) next › : +1-240-(4904000...4904999) Dialling Instructions For trunk calls: 0 240 4903000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 4903000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4903000 ~ 4903999 (Count: 1,000) Example: +1-240-4903000 / 0111-240-4903000 (1240-4903000 / 1-240-4903000) +1-240-4903001 / 0111-240-4903001 (1240-4903001 / 1-240-4903001) +1-240-4903002 / 0111-240-4903002 (1240-4903002 / 1-240-4903002) +1-240-4903003 / 0111-240-4903003 (1240-4903003 / 1-240-4903003) +1-240-4903004 / 0111-240-4903004 (1240-4903004 / 1-240-4903004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-4903995 / 0111-240-4903995 (1240-4903995 / 1-240-4903995) +1-240-4903996 / 0111-240-4903996 (1240-4903996 / 1-240-4903996) +1-240-4903997 / 0111-240-4903997 (1240-4903997 / 1-240-4903997) +1-240-4903998 / 0111-240-4903998 (1240-4903998 / 1-240-4903998) +1-240-4903999 / 0111-240-4903999 (1240-4903999 / 1-240-4903999)