Area Code +1-312-(2046000...2046999) located in Chicago, Illinois (IL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 312 Subscriber Number From : 2046000 Subscriber Number To : 2046999 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 : XO ILLINOIS INC. 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 : Chicago Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.8800 Longitude : -87.6400 ‹ previous : +1-312-(2045000...2045999) next › : +1-312-(2047000...2047999) Dialling Instructions For trunk calls: 0 312 2046000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 312 2046000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2046000 ~ 2046999 (Count: 1,000) Example: +1-312-2046000 / 0111-312-2046000 (1312-2046000 / 1-312-2046000) +1-312-2046001 / 0111-312-2046001 (1312-2046001 / 1-312-2046001) +1-312-2046002 / 0111-312-2046002 (1312-2046002 / 1-312-2046002) +1-312-2046003 / 0111-312-2046003 (1312-2046003 / 1-312-2046003) +1-312-2046004 / 0111-312-2046004 (1312-2046004 / 1-312-2046004) ...+1-312-xxxxxxx / 0111-312-xxxxxxx (1312-xxxxxxx / 1-312-xxxxxxx) ...+1-312-2046995 / 0111-312-2046995 (1312-2046995 / 1-312-2046995) +1-312-2046996 / 0111-312-2046996 (1312-2046996 / 1-312-2046996) +1-312-2046997 / 0111-312-2046997 (1312-2046997 / 1-312-2046997) +1-312-2046998 / 0111-312-2046998 (1312-2046998 / 1-312-2046998) +1-312-2046999 / 0111-312-2046999 (1312-2046999 / 1-312-2046999)