Area Code +1-240-(4910000...4910999) located in Silver Spring, 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 : 4910000 Subscriber Number To : 4910999 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 : GLOBAL CROSSING-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 : Silver Spring Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0100 Longitude : -77.0400 ‹ previous : +1-240-(4909000...4909999) next › : +1-240-(4911000...4911999) Dialling Instructions For trunk calls: 0 240 4910000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 4910000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4910000 ~ 4910999 (Count: 1,000) Example: +1-240-4910000 / 0111-240-4910000 (1240-4910000 / 1-240-4910000) +1-240-4910001 / 0111-240-4910001 (1240-4910001 / 1-240-4910001) +1-240-4910002 / 0111-240-4910002 (1240-4910002 / 1-240-4910002) +1-240-4910003 / 0111-240-4910003 (1240-4910003 / 1-240-4910003) +1-240-4910004 / 0111-240-4910004 (1240-4910004 / 1-240-4910004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-4910995 / 0111-240-4910995 (1240-4910995 / 1-240-4910995) +1-240-4910996 / 0111-240-4910996 (1240-4910996 / 1-240-4910996) +1-240-4910997 / 0111-240-4910997 (1240-4910997 / 1-240-4910997) +1-240-4910998 / 0111-240-4910998 (1240-4910998 / 1-240-4910998) +1-240-4910999 / 0111-240-4910999 (1240-4910999 / 1-240-4910999)