Area Code +1-240-(2171000...2171999) located in Hagerstown, 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 : 2171000 Subscriber Number To : 2171999 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 : Hagerstown Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.6400 Longitude : -77.7200 ‹ previous : +1-240-(2170000...2170999) next › : +1-240-(2172000...2172999) Dialling Instructions For trunk calls: 0 240 2171000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2171000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2171000 ~ 2171999 (Count: 1,000) Example: +1-240-2171000 / 0111-240-2171000 (1240-2171000 / 1-240-2171000) +1-240-2171001 / 0111-240-2171001 (1240-2171001 / 1-240-2171001) +1-240-2171002 / 0111-240-2171002 (1240-2171002 / 1-240-2171002) +1-240-2171003 / 0111-240-2171003 (1240-2171003 / 1-240-2171003) +1-240-2171004 / 0111-240-2171004 (1240-2171004 / 1-240-2171004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2171995 / 0111-240-2171995 (1240-2171995 / 1-240-2171995) +1-240-2171996 / 0111-240-2171996 (1240-2171996 / 1-240-2171996) +1-240-2171997 / 0111-240-2171997 (1240-2171997 / 1-240-2171997) +1-240-2171998 / 0111-240-2171998 (1240-2171998 / 1-240-2171998) +1-240-2171999 / 0111-240-2171999 (1240-2171999 / 1-240-2171999)