Area Code +1-815-(4921000...4921999) located in Apple River, 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 : 4921000 Subscriber Number To : 4921999 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 : Apple River Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.5000 Longitude : -90.1000 ‹ previous : +1-815-(4920000...4920999) next › : +1-815-(4922000...4922999) Dialling Instructions For trunk calls: 0 815 4921000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 815 4921000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4921000 ~ 4921999 (Count: 1,000) Example: +1-815-4921000 / 0111-815-4921000 (1815-4921000 / 1-815-4921000) +1-815-4921001 / 0111-815-4921001 (1815-4921001 / 1-815-4921001) +1-815-4921002 / 0111-815-4921002 (1815-4921002 / 1-815-4921002) +1-815-4921003 / 0111-815-4921003 (1815-4921003 / 1-815-4921003) +1-815-4921004 / 0111-815-4921004 (1815-4921004 / 1-815-4921004) ...+1-815-xxxxxxx / 0111-815-xxxxxxx (1815-xxxxxxx / 1-815-xxxxxxx) ...+1-815-4921995 / 0111-815-4921995 (1815-4921995 / 1-815-4921995) +1-815-4921996 / 0111-815-4921996 (1815-4921996 / 1-815-4921996) +1-815-4921997 / 0111-815-4921997 (1815-4921997 / 1-815-4921997) +1-815-4921998 / 0111-815-4921998 (1815-4921998 / 1-815-4921998) +1-815-4921999 / 0111-815-4921999 (1815-4921999 / 1-815-4921999)