| General Information about Area Code 630 | |
|---|---|
| Country | United States |
| State / Province / Territory | Illinois |
| Major City | Naperville |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 630-775 | Itasca | Dupage | Landline |
| 630-706 | Hinsdale | Dupage | Landline |
| 630-676 | Glenview | Cook | Wireless |
| 630-979 | Naperville | Dupage | Landline |
| 630-588 | Carol Stream | Dupage | Landline |
| 630-289 | Hanover Park | Cook | Landline |
| 630-315 | Wood Dale | Dupage | Landline |
| 630-567 | Brookfield | Cook | Wireless |
| 630-793 | Glen Ellyn | Dupage | Landline |
| 630-726 | Brookfield | Cook | Wireless |
| 630-251 | Winfield | Dupage | Wireless |
| 630-445 | Hinsdale | Dupage | Landline |
| 630-267 | Medinah | Dupage | Wireless |
| 630-457 | Geneva | Kane | Landline |
| 630-380 | Medinah | Dupage | Wireless |
| 630-427 | Woodridge | Dupage | Landline |
| 630-266 | Brookfield | Cook | Wireless |
| 630-898 | Aurora | Dupage | Landline |
| 630-899 | Medinah | Dupage | Wireless |
| 630-441 | Downers Grove | Dupage | Landline |