Area Code +1-202-(3174000...3174999) located in Washington, District of Columbia (DC), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 202 Subscriber Number From : 3174000 Subscriber Number To : 3174999 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 : TELEPORT COMM AM-DC 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 : DC Region Name : District of Columbia City : Washington Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 38.9000 Longitude : -77.0300 ‹ previous : +1-202-(3173000...3173999) next › : +1-202-(3175000...3175999) Dialling Instructions For trunk calls: 0 202 3174000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 202 3174000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3174000 ~ 3174999 (Count: 1,000) Example: +1-202-3174000 / 0111-202-3174000 (1202-3174000 / 1-202-3174000) +1-202-3174001 / 0111-202-3174001 (1202-3174001 / 1-202-3174001) +1-202-3174002 / 0111-202-3174002 (1202-3174002 / 1-202-3174002) +1-202-3174003 / 0111-202-3174003 (1202-3174003 / 1-202-3174003) +1-202-3174004 / 0111-202-3174004 (1202-3174004 / 1-202-3174004) ...+1-202-xxxxxxx / 0111-202-xxxxxxx (1202-xxxxxxx / 1-202-xxxxxxx) ...+1-202-3174995 / 0111-202-3174995 (1202-3174995 / 1-202-3174995) +1-202-3174996 / 0111-202-3174996 (1202-3174996 / 1-202-3174996) +1-202-3174997 / 0111-202-3174997 (1202-3174997 / 1-202-3174997) +1-202-3174998 / 0111-202-3174998 (1202-3174998 / 1-202-3174998) +1-202-3174999 / 0111-202-3174999 (1202-3174999 / 1-202-3174999)