Area Code +1-240-(2238000...2238999) located in Bethesda, 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 : 2238000 Subscriber Number To : 2238999 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 : ALLEGIANCE TELCOM 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 : Bethesda Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9800 Longitude : -77.1100 ‹ previous : +1-240-(2237000...2237999) next › : +1-240-(2239000...2239999) Dialling Instructions For trunk calls: 0 240 2238000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2238000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2238000 ~ 2238999 (Count: 1,000) Example: +1-240-2238000 / 0111-240-2238000 (1240-2238000 / 1-240-2238000) +1-240-2238001 / 0111-240-2238001 (1240-2238001 / 1-240-2238001) +1-240-2238002 / 0111-240-2238002 (1240-2238002 / 1-240-2238002) +1-240-2238003 / 0111-240-2238003 (1240-2238003 / 1-240-2238003) +1-240-2238004 / 0111-240-2238004 (1240-2238004 / 1-240-2238004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2238995 / 0111-240-2238995 (1240-2238995 / 1-240-2238995) +1-240-2238996 / 0111-240-2238996 (1240-2238996 / 1-240-2238996) +1-240-2238997 / 0111-240-2238997 (1240-2238997 / 1-240-2238997) +1-240-2238998 / 0111-240-2238998 (1240-2238998 / 1-240-2238998) +1-240-2238999 / 0111-240-2238999 (1240-2238999 / 1-240-2238999)