Where is Area Code 630?
Area code 630 is found in the US state of Illinois. Primarily servicing the city of Aurora (population: 131400), area code 630 covers 5 counties of Illinois.
Located in the Central time zone, area code 630 is on the same time as Chicago, IL.
Area code 630 was brought into effect on August 3, 1996. 630 was split from the parent 708 area code.
Counties in Area Code 630
- Cook,
- DuPage,
- Kane,
- Kendall,
- Will.
Most Populous Cities in Area Code 630
| City | County | City Population |
|---|---|---|
| Aurora | Kane | 131,400 |
| Naperville | DuPage | 120,722 |
| Bolingbrook | Will | 73,917 |
| Aurora | DuPage | 60,553 |
| Wheaton | DuPage | 60,205 |
| Downers Grove | DuPage | 57,268 |
| Saint Charles | Kane | 57,103 |
| Lombard | DuPage | 52,088 |
| Elmhurst | DuPage | 46,928 |
| Carol Stream | DuPage | 43,170 |
| Bartlett | Cook | 42,349 |
| Naperville | Will | 41,638 |
| Streamwood | Cook | 40,208 |
| Addison | DuPage | 39,590 |
| Hanover Park | Cook | 38,459 |
| Glen Ellyn | DuPage | 38,261 |
| Oswego | Kendall | 37,216 |
| West Chicago | DuPage | 36,968 |
| Glendale Heights | DuPage | 34,795 |
| Woodridge | DuPage | 32,424 |
| Batavia | Kane | 29,301 |
| Villa Park | DuPage | 29,183 |
| Geneva | Kane | 28,965 |
| Willowbrook | DuPage | 27,797 |
| Lisle | DuPage | 27,392 |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.