Area Code +1-240-(2377000...2377999) located in Lexington Park-Great Mills, 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 : 2377000 Subscriber Number To : 2377999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : OMNIPOINT COMM CAP 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 : Lexington Park-Great Mills Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.2400 Longitude : -76.4900 ‹ previous : +1-240-(2376000...2376999) next › : +1-240-(2378000...2378999) Dialling Instructions For trunk calls: 0 240 2377000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2377000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2377000 ~ 2377999 (Count: 1,000) Example: +1-240-2377000 / 0111-240-2377000 (1240-2377000 / 1-240-2377000) +1-240-2377001 / 0111-240-2377001 (1240-2377001 / 1-240-2377001) +1-240-2377002 / 0111-240-2377002 (1240-2377002 / 1-240-2377002) +1-240-2377003 / 0111-240-2377003 (1240-2377003 / 1-240-2377003) +1-240-2377004 / 0111-240-2377004 (1240-2377004 / 1-240-2377004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2377995 / 0111-240-2377995 (1240-2377995 / 1-240-2377995) +1-240-2377996 / 0111-240-2377996 (1240-2377996 / 1-240-2377996) +1-240-2377997 / 0111-240-2377997 (1240-2377997 / 1-240-2377997) +1-240-2377998 / 0111-240-2377998 (1240-2377998 / 1-240-2377998) +1-240-2377999 / 0111-240-2377999 (1240-2377999 / 1-240-2377999)