Area codes 630 and 331 - Wikipedia
Area codes 630 and 331 are telephone area codes in the North American Numbering Plan (NANP) for portions of Chicago 's near and far western suburbs, including the majority of DuPage County, Illinois.
630 Area Code - Location map, time zone, and phone lookup
Where is area code 630? Area code 630 is located in Illinois and covers Aurora, Naperville, Bolingbrook, and Wheaton. It has a single overlay (331) that serves the same area.
Area Code 630 phone numbers - Whitepages
Browse area code 630 phone numbers, prefixes and exchanges. The 630 area code serves Chicago, Arlington Heights, Naperville, Schaumburg, Hickory Hills, covering 51 ZIP codes in 6 counties.
630 area code — information, time zone, map
2 days ago · 630 is an area code located in the state of Illinois, US. The largest city it serves is Aurora. Find out where 630 area code zone from, which states, counties and cities it covers. Get the most …
630 Area Code - Map, Phone Lookup, Time Zone - Wirefly
Find 630 area code details including city, time zone, and map. Lookup area code 630 phone number, name, and location.
630 Area Code, Illinois, United States - Location map, time ...
Area code 630 serves the western suburbs of Chicago, including cities such as Naperville, Wheaton, Downers Grove, and Lombard. It was created in 1996 as a split from area code 708 to manage …
630 Area Code: Complete Location Info, Time Zone
Nov 22, 2025 · Area code 630 is in Illinois, USA. Locate phone numbers 630-200-XXXX through 630-999-XXXX. City list with local time, map and overlaying areas.