Area Code +1-309-(3299000...3299999) located in Astoria, Illinois (IL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 309 Subscriber Number From : 3299000 Subscriber Number To : 3299999 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 : 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 : Astoria Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 40.2300 Longitude : -90.3600 ‹ previous : +1-309-(3295000...3295999) next › : +1-309-(3300000...3309999) Dialling Instructions For trunk calls: 0 309 3299000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 309 3299000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3299000 ~ 3299999 (Count: 1,000) Example: +1-309-3299000 / 0111-309-3299000 (1309-3299000 / 1-309-3299000) +1-309-3299001 / 0111-309-3299001 (1309-3299001 / 1-309-3299001) +1-309-3299002 / 0111-309-3299002 (1309-3299002 / 1-309-3299002) +1-309-3299003 / 0111-309-3299003 (1309-3299003 / 1-309-3299003) +1-309-3299004 / 0111-309-3299004 (1309-3299004 / 1-309-3299004) ...+1-309-xxxxxxx / 0111-309-xxxxxxx (1309-xxxxxxx / 1-309-xxxxxxx) ...+1-309-3299995 / 0111-309-3299995 (1309-3299995 / 1-309-3299995) +1-309-3299996 / 0111-309-3299996 (1309-3299996 / 1-309-3299996) +1-309-3299997 / 0111-309-3299997 (1309-3299997 / 1-309-3299997) +1-309-3299998 / 0111-309-3299998 (1309-3299998 / 1-309-3299998) +1-309-3299999 / 0111-309-3299999 (1309-3299999 / 1-309-3299999)