Area Code +1-302-(4120000...4129999) located in Wilmington, Delaware (DE), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 302 Subscriber Number From : 4120000 Subscriber Number To : 4129999 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 : ABROS COMM LIC CO DE 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 : DE Region Name : Delaware City : Wilmington Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.7500 Longitude : -75.5500 ‹ previous : +1-302-(4099000...4099999) next › : +1-302-(4130000...4130999) Dialling Instructions For trunk calls: 0 302 4120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 302 4120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4120000 ~ 4129999 (Count: 10,000) Example: +1-302-4120000 / 0111-302-4120000 (1302-4120000 / 1-302-4120000) +1-302-4120001 / 0111-302-4120001 (1302-4120001 / 1-302-4120001) +1-302-4120002 / 0111-302-4120002 (1302-4120002 / 1-302-4120002) +1-302-4120003 / 0111-302-4120003 (1302-4120003 / 1-302-4120003) +1-302-4120004 / 0111-302-4120004 (1302-4120004 / 1-302-4120004) ...+1-302-xxxxxxx / 0111-302-xxxxxxx (1302-xxxxxxx / 1-302-xxxxxxx) ...+1-302-4129995 / 0111-302-4129995 (1302-4129995 / 1-302-4129995) +1-302-4129996 / 0111-302-4129996 (1302-4129996 / 1-302-4129996) +1-302-4129997 / 0111-302-4129997 (1302-4129997 / 1-302-4129997) +1-302-4129998 / 0111-302-4129998 (1302-4129998 / 1-302-4129998) +1-302-4129999 / 0111-302-4129999 (1302-4129999 / 1-302-4129999)