Where Is Area Code 630?

Map of Illinois with area code 630 highlighted — Location of Area Code 630 and surrounding states.

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	Time Zone
Aurora	Kane	131,400	CST
Naperville	DuPage	120,722	CST
Bolingbrook	Will	73,917	CST
Aurora	DuPage	60,553	CST
Wheaton	DuPage	60,205	CST
Downers Grove	DuPage	57,268	CST
Saint Charles	Kane	57,103	CST
Lombard	DuPage	52,088	CST
Elmhurst	DuPage	46,928	CST
Carol Stream	DuPage	43,170	CST
Bartlett	Cook	42,349	CST
Naperville	Will	41,638	CST
Streamwood	Cook	40,208	CST
Addison	DuPage	39,590	CST
Hanover Park	Cook	38,459	CST
Glen Ellyn	DuPage	38,261	CST
Oswego	Kendall	37,216	CST
West Chicago	DuPage	36,968	CST
Glendale Heights	DuPage	34,795	CST
Woodridge	DuPage	32,424	CST
Batavia	Kane	29,301	CST
Villa Park	DuPage	29,183	CST
Geneva	Kane	28,965	CST
Willowbrook	DuPage	27,797	CST
Lisle	DuPage	27,392	CST