Illinois — area code 630
Phone code 630 is dedicated to the state of Illinois.
Phone code 630 is dedicated to the state of Illinois.
Area codes 630 and 331 are area codes, under the North American Numbering Plan in the United States, that cover portions of Chicago's near and far western suburbs, including the majority of DuPage County, Illinois. To the northwest, the area codes also cover a small, neighboring portion of Cook County, including parts of Schaumburg, Streamwood and Hanover Park. To the west, Kane County is divided between area codes 847 and 224 in the north, including Elgin, and area codes 630 and 331 in the south, including Aurora. To the south, the northern part of Will County and a small part of southern Cook County, including the village of Burr Ridge and parts of the village of Lemont, are also included in the 630 and 331 area codes. To the southwest, the city of Yorkville, in exurban Kendall County, is included, as well. source
Main city: Naperville
Timezone: Central
Main city: Naperville
Timezone: Central
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Phone number full length is 10 digits: (630) xxx-xxxx
International format length is 11 digits: +1 (630) xxx-xxxx
Area 630 covers 7830000 phone numbers: 630-601-0000 — 630-684-9999
There are 900 6-digit prefixes, 783 are in use: 630-601 — 630-684