| 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 |
|---|---|---|---|
| 630-634 | Hinsdale | Dupage | Landline |
| 630-451 | Elk Grove Village | Cook | Landline |
| 630-524 | Saint Charles | Kane | Landline |
| 630-818 | West Chicago | Dupage | Landline |
| 630-578 | Geneva | Kane | Landline |
| 630-833 | Elmhurst | Dupage | Landline |
| 630-204 | Glenview | Cook | Wireless |
| 630-450 | Aurora | Kane | Wireless |
| 630-630 | Oswego | Kendall | Landline |
| 630-391 | Sugar Grove | Kane | Landline |
| 630-730 | Elgin | Kane | Wireless |
| 630-936 | Elmhurst | Dupage | Landline |
| 630-947 | Aurora | Dupage | Landline |
| 630-470 | Naperville | Dupage | Landline |
| 630-345 | Geneva | Kane | Landline |
| 630-851 | Aurora | Dupage | Landline |
| 630-638 | Brookfield | Cook | Wireless |
| 630-439 | Bensenville | Dupage | Landline |
| 630-585 | Aurora | Dupage | Landline |
| 630-964 | Downers Grove | Dupage | Landline |