| 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 |
|---|---|---|---|
| 630-998 | Geneva | Kane | Landline |
| 630-806 | Aurora | Kane | Wireless |
| 630-372 | Hanover Park | Cook | Landline |
| 630-499 | Aurora | Dupage | Landline |
| 630-596 | Naperville | Dupage | Landline |
| 630-836 | Warrenville | Dupage | Landline |
| 630-455 | Hinsdale | Dupage | Landline |
| 630-704 | Brookfield | Cook | Wireless |
| 630-579 | Naperville | Dupage | Landline |
| 630-645 | Hinsdale | Dupage | Landline |
| 630-863 | Willowbrook | Dupage | Wireless |
| 630-789 | Hinsdale | Dupage | Landline |
| 630-249 | Brookfield | Cook | Wireless |
| 630-641 | Medinah | Dupage | Wireless |
| 630-241 | Downers Grove | Dupage | Landline |
| 630-673 | Glenview | Cook | Wireless |
| 630-658 | Warrenville | Dupage | Landline |
| 630-570 | Hinsdale | Dupage | Landline |
| 630-378 | Lemont | Cook | Landline |
| 630-250 | Itasca | Dupage | Landline |