Area Code +1-312-(2022000...2022999) 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 : 2022000 Subscriber Number To : 2022999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : VERIZON WIRELESS-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 : 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-(2021000...2021999) next › : +1-312-(2023000...2023999) Dialling Instructions For trunk calls: 0 312 2022000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 312 2022000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2022000 ~ 2022999 (Count: 1,000) Example: +1-312-2022000 / 0111-312-2022000 (1312-2022000 / 1-312-2022000) +1-312-2022001 / 0111-312-2022001 (1312-2022001 / 1-312-2022001) +1-312-2022002 / 0111-312-2022002 (1312-2022002 / 1-312-2022002) +1-312-2022003 / 0111-312-2022003 (1312-2022003 / 1-312-2022003) +1-312-2022004 / 0111-312-2022004 (1312-2022004 / 1-312-2022004) ...+1-312-xxxxxxx / 0111-312-xxxxxxx (1312-xxxxxxx / 1-312-xxxxxxx) ...+1-312-2022995 / 0111-312-2022995 (1312-2022995 / 1-312-2022995) +1-312-2022996 / 0111-312-2022996 (1312-2022996 / 1-312-2022996) +1-312-2022997 / 0111-312-2022997 (1312-2022997 / 1-312-2022997) +1-312-2022998 / 0111-312-2022998 (1312-2022998 / 1-312-2022998) +1-312-2022999 / 0111-312-2022999 (1312-2022999 / 1-312-2022999)