Area Code +1-240-(2580000...2580999) located in Ridge, 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 : 2580000 Subscriber Number To : 2580999 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 : CORE 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 : Ridge Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.1200 Longitude : -76.3700 ‹ previous : +1-240-(2579000...2579999) next › : +1-240-(2581000...2581999) Dialling Instructions For trunk calls: 0 240 2580000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2580000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2580000 ~ 2580999 (Count: 1,000) Example: +1-240-2580000 / 0111-240-2580000 (1240-2580000 / 1-240-2580000) +1-240-2580001 / 0111-240-2580001 (1240-2580001 / 1-240-2580001) +1-240-2580002 / 0111-240-2580002 (1240-2580002 / 1-240-2580002) +1-240-2580003 / 0111-240-2580003 (1240-2580003 / 1-240-2580003) +1-240-2580004 / 0111-240-2580004 (1240-2580004 / 1-240-2580004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2580995 / 0111-240-2580995 (1240-2580995 / 1-240-2580995) +1-240-2580996 / 0111-240-2580996 (1240-2580996 / 1-240-2580996) +1-240-2580997 / 0111-240-2580997 (1240-2580997 / 1-240-2580997) +1-240-2580998 / 0111-240-2580998 (1240-2580998 / 1-240-2580998) +1-240-2580999 / 0111-240-2580999 (1240-2580999 / 1-240-2580999)