Area Code +1-240-(2054000...2054999) located in Rockville, 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 : 2054000 Subscriber Number To : 2054999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : VERIZON WIRELESS-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 : Rockville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0900 Longitude : -77.1600 ‹ previous : +1-240-(2053000...2053999) next › : +1-240-(2055000...2055999) Dialling Instructions For trunk calls: 0 240 2054000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 240 2054000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2054000 ~ 2054999 (Count: 1,000) Example: +1-240-2054000 / 0111-240-2054000 (1240-2054000 / 1-240-2054000) +1-240-2054001 / 0111-240-2054001 (1240-2054001 / 1-240-2054001) +1-240-2054002 / 0111-240-2054002 (1240-2054002 / 1-240-2054002) +1-240-2054003 / 0111-240-2054003 (1240-2054003 / 1-240-2054003) +1-240-2054004 / 0111-240-2054004 (1240-2054004 / 1-240-2054004) ...+1-240-xxxxxxx / 0111-240-xxxxxxx (1240-xxxxxxx / 1-240-xxxxxxx) ...+1-240-2054995 / 0111-240-2054995 (1240-2054995 / 1-240-2054995) +1-240-2054996 / 0111-240-2054996 (1240-2054996 / 1-240-2054996) +1-240-2054997 / 0111-240-2054997 (1240-2054997 / 1-240-2054997) +1-240-2054998 / 0111-240-2054998 (1240-2054998 / 1-240-2054998) +1-240-2054999 / 0111-240-2054999 (1240-2054999 / 1-240-2054999)