Area Code +1-815-(4539000...4539999) located in Ashton, Illinois (IL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 815 Subscriber Number From : 4539000 Subscriber Number To : 4539999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : FRONTIER NORTH - IL 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 : IL Region Name : Illinois City : Ashton Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.8700 Longitude : -89.2200 ‹ previous : +1-815-(4538000...4538999) next › : +1-815-(4540000...4540999) Dialling Instructions For trunk calls: 0 815 4539000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 815 4539000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4539000 ~ 4539999 (Count: 1,000) Example: +1-815-4539000 / 0111-815-4539000 (1815-4539000 / 1-815-4539000) +1-815-4539001 / 0111-815-4539001 (1815-4539001 / 1-815-4539001) +1-815-4539002 / 0111-815-4539002 (1815-4539002 / 1-815-4539002) +1-815-4539003 / 0111-815-4539003 (1815-4539003 / 1-815-4539003) +1-815-4539004 / 0111-815-4539004 (1815-4539004 / 1-815-4539004) ...+1-815-xxxxxxx / 0111-815-xxxxxxx (1815-xxxxxxx / 1-815-xxxxxxx) ...+1-815-4539995 / 0111-815-4539995 (1815-4539995 / 1-815-4539995) +1-815-4539996 / 0111-815-4539996 (1815-4539996 / 1-815-4539996) +1-815-4539997 / 0111-815-4539997 (1815-4539997 / 1-815-4539997) +1-815-4539998 / 0111-815-4539998 (1815-4539998 / 1-815-4539998) +1-815-4539999 / 0111-815-4539999 (1815-4539999 / 1-815-4539999)