The 331 Area Code is located in the state of Illinois. Area Code 331 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 9,428 unique phone numbers.
Cities in the 208 area code include: Aurora, Naperville, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Carol Stream, Bartlett, Streamwood, Hanover Park, Addison, Woodridge, Oswego, Glen Ellyn, West Chicago, Batavia, Westmont, Roselle, Lisle, Darien, Bloomingdale, Villa Park, Geneva, Montgomery, Bensenville, North Aurora, Hinsdale, Yorkville, Lemont, Wood Dale, Warrenville, Plano, Burr Ridge, Winfield, Sugar Grove, Itasca, Willowbrook, Joliet, Plainfield, Oak Brook, Elburn, Romeoville, Wayne,
Find out who that 331 phone number is registered to. Our free reverse phone lookup allows you to search records associated with a landline or cell phone number to help quickly identify whoβs calling or texting you.
Statistics based on US Census data for Area Code 331
Median Age
The median age for the 331 area code was sourced from the US Census
Median Income
The median income for the 331 area code was sourced from the US Census
Median Home Value
The median home value for the 331 area code was sourced from the US Census
Total Population
The total population for the 331 area code was sourced from the US Census
97 prefixes
(331) 703
Wireless
T-mobile
West Chicago
10/24/2013
(331) 472
Wireless
T-mobile
Naperville
10/22/2008
(331) 251
Wireless
Verizon
Downers Grove
12/05/2012
(331) 318
Landline
Local Access
Lemont
08/01/2013