Area code 331 is in Illinois (IL), USA and some of the main locations covered are Aurora, Wheaton, Downers Grove, .. (jump to city list below).
Area code 331 has been in service since 07 October 2007 and is an overlay code part of overlay complex 630/331 (overlaying area codes cover the same geographic area).
08:51:51 AM is the current time in area code 331 (Central Time).
NPANXX1 | Area served2 | Date3 |
---|---|---|
331-200 | Bartlett | 7/11/2011 |
331-201 | Downers Grove | 1/6/2012 |
331-202 | Elmhurst | 1/17/2012 |
331-203 | Aurora | 10/12/2011 |
331-204 | Naperville | 12/10/2015 |
331-205 | Aurora | 10/21/2011 |
331-206 | Aurora | 10/12/2011 |
331-207 | Yorkville | 11/1/2011 |
331-208 | Aurora | 11/8/2011 |
331-209 | Elmhurst | 1/17/2012 |
331-210 | St Charles | 3/6/2012 |
331-212 | Aurora | 4/5/2012 |
331-213 | Naperville | 9/6/2011 |
331-214 | Downers Grove | 6/20/2012 |
331-215 | Naperville | 9/28/2012 |
331-216 | Oswego | 10/31/2012 |
331-218 | Wheaton | 7/9/2013 |
331-219 | Aurora | 3/16/2017 |
331-220 | Aurora | 7/12/2011 |
331-221 | Elmhurst | 1/21/2009 |
331-222 | St Charles | 10/28/2008 |
331-223 | St Charles | 10/28/2008 |
331-225 | Elmhurst | 8/22/2011 |
331-226 | Naperville | 3/20/2017 |
331-227 | Sugar Grove | 5/17/2016 |
331-228 | St Charles | 9/21/2011 |
331-229 | Naperville | 11/27/2012 |
331-230 | Aurora | 4/5/2017 |
331-231 | Naperville | 8/7/2017 |
331-232 | West Chicago | 8/8/2017 |
331-233 | Downers Grove | 3/13/2017 |
331-234 | Sugar Grove | 7/8/2013 |
331-235 | St Charles | 10/17/2017 |
331-236 | Wheaton | 4/5/2017 |
331-237 | Naperville | 11/7/2017 |
331-238 | Downers Grove | 12/19/2017 |
331-239 | Yorkville | 8/27/2018 |
331-240 | West Chicago | 4/10/2013 |
331-241 | Lombard | 10/16/2018 |
331-242 | Lombard | 10/19/2018 |
331-243 | Lombard | 10/19/2018 |
331-244 | Naperville | 9/21/2017 |
331-245 | Bartlett | 4/18/2013 |
331-246 | Lemont | 10/19/2018 |
331-247 | Naperville | 11/21/2018 |
331-248 | Geneva | 7/6/2007 |
331-249 | Naperville | 12/5/2018 |
331-250 | Aurora | 4/10/2012 |
331-251 | Downers Grove | 12/5/2012 |
331-252 | Warrenville | 6/2/2016 |
331-253 | Lemont | 10/27/2014 |
331-254 | Sugar Grove | 7/16/2014 |
331-255 | Aurora | 8/22/2017 |
331-256 | Aurora | 9/13/2011 |
331-257 | Aurora | 1/17/2020 |
331-258 | Aurora | |
331-259 | Sugar Grove | |
331-260 | Downers Grove | 2/25/2019 |
331-261 | Lemont | 6/20/2019 |
331-262 | Aurora | 7/30/2008 |
331-263 | Itasca | 3/11/2016 |
331-264 | Hinsdale | 3/6/2020 |
331-265 | Geneva | |
331-266 | St Charles | 4/10/2020 |
331-267 | Lombard | 9/18/2020 |
331-268 | Sugar Grove | 1/14/2021 |
331-269 | Aurora | 5/14/2021 |
331-270 | Aurora | 7/20/2021 |
331-271 | Hinsdale | 10/21/2020 |
331-272 | St Charles | 7/15/2021 |
331-273 | Lemont | 6/9/2021 |
331-274 | Aurora | 8/3/2021 |
331-275 | Bartlett | 8/3/2021 |
331-276 | St Charles | 11/10/2014 |
331-277 | Lombard | 8/6/2021 |
331-278 | Aurora | 8/13/2021 |
331-279 | Elmhurst | 10/15/2021 |
331-280 | Downers Grove | 12/29/2021 |
331-281 | Naperville | 10/25/2012 |
331-282 | Hinsdale | 12/10/2021 |
331-283 | Geneva | 2/23/2022 |
331-284 | Bartlett | 3/11/2022 |
331-285 | Naperville | 5/4/2022 |
331-288 | Elburn | 2/17/2022 |
331-299 | Hinsdale | 1/4/2021 |
331-300 | Aurora | 3/17/2016 |
331-301 | Aurora | 3/13/2013 |
331-302 | Aurora | 2/11/2013 |
331-303 | Elburn | |
331-304 | Bartlett | 2/20/2015 |
331-305 | Naperville | 8/15/2013 |
331-307 | Lombard | 10/13/2014 |
331-308 | Bartlett | 12/23/2014 |
331-310 | Big Rock | 12/29/2014 |
331-315 | Lombard | 8/8/2016 |
331-318 | Lemont | 8/1/2013 |
331-321 | Aurora | 7/20/2015 |
331-330 | Naperville | 8/19/2008 |
331-332 | Naperville | 11/3/2008 |
331-333 | Naperville | 11/3/2008 |
331-334 | Batavia | 6/2/2021 |
331-336 | Aurora | 10/11/2019 |
331-341 | Plano | 3/30/2021 |
331-345 | Naperville | 11/18/2020 |
331-348 | Elburn | 10/11/2019 |
331-356 | Bartlett | 10/10/2019 |
331-373 | Oswego | 2/25/2022 |
331-385 | Aurora | 9/28/2016 |
331-388 | Sugar Grove | 1/25/2021 |
331-399 | Downers Grove | 1/22/2021 |
331-400 | Oswego | 8/8/2019 |
331-401 | Naperville | 12/14/2015 |
331-422 | St Charles | 11/13/2008 |
331-425 | Aurora | 7/11/2007 |
331-426 | Lemont | 2/18/2022 |
331-431 | Aurora | 5/26/2010 |
331-442 | St Charles | 10/30/2008 |
331-444 | Naperville | 8/4/2010 |
331-452 | Aurora | 9/20/2007 |
331-454 | Aurora | 5/7/2009 |
331-456 | Roselle | 12/5/2007 |
331-457 | Naperville | 11/14/2008 |
331-462 | Lombard | 8/23/2008 |
331-465 | West Chicago | 10/17/2007 |
331-466 | Glen Ellyn | 2/17/2022 |
331-472 | Naperville | 10/22/2008 |
331-481 | Downers Grove | 10/29/2008 |
331-500 | Geneva | 1/4/2021 |
331-529 | Naperville | 8/8/2019 |
331-551 | Lombard | 11/5/2008 |
331-575 | Aurora | 9/18/2007 |
331-588 | St Charles | 2/15/2010 |
331-600 | Wheaton | 8/8/2019 |
331-625 | Downers Grove | 10/16/2009 |
331-627 | Lombard | 2/25/2022 |
331-642 | Elmhurst | |
331-643 | Aurora | 9/18/2007 |
331-645 | Elmhurst | 11/5/2007 |
331-666 | Aurora | 9/29/2017 |
331-684 | Aurora | 7/12/2007 |
331-688 | Naperville | 2/17/2022 |
331-701 | Naperville | 12/11/2014 |
331-702 | Naperville | 10/23/2013 |
331-703 | West Chicago | 10/24/2013 |
331-704 | Kaneville | 4/21/2015 |
331-707 | Aurora | 8/23/2016 |
331-716 | Wheaton | 1/18/2016 |
331-717 | Oswego | 1/18/2016 |
331-725 | Oswego | |
331-732 | Geneva | 10/11/2019 |
331-746 | Kaneville | 2/17/2022 |
331-757 | Lemont | 7/13/2016 |
331-758 | Aurora | 10/27/2021 |
331-771 | St Charles | 2/10/2016 |
331-775 | Downers Grove | 1/4/2016 |
331-777 | Downers Grove | 9/22/2010 |
331-788 | Geneva | 1/25/2021 |
331-800 | West Chicago | 9/29/2017 |
331-801 | Downers Grove | 5/15/2014 |
331-803 | Lemont | 4/10/2013 |
331-806 | Wheaton | 6/11/2015 |
331-808 | Plano | 6/5/2015 |
331-814 | Naperville | 6/25/2015 |
331-825 | Geneva | |
331-826 | Elmhurst | 11/18/2008 |
331-837 | West Chicago | 1/7/2022 |
331-850 | Big Rock | 3/30/2021 |
331-866 | Wheaton | 1/13/2022 |
331-867 | Yorkville | 7/14/2020 |
331-871 | West Chicago | 2/17/2016 |
331-888 | Warrenville | 9/24/2010 |
331-899 | Lombard | 12/22/2020 |
331-900 | Elmhurst | 8/8/2019 |
331-901 | St Charles | 4/23/2015 |
331-903 | Downers Grove | 5/15/2014 |
331-946 | Glen Ellyn | 7/14/2020 |
331-979 | Elmhurst | 3/3/2015 |
331-980 | Aurora | 10/13/2014 |
331-998 | Downers Grove | 9/16/2015 |
331-999 | Oswego | 9/22/2010 |
City4 | County | Time5 |
---|---|---|
Addison | Dupage | C |
Aurora | Kane | C |
Bartlett | Dupage | C |
Batavia | Kane | C |
Bensenville | Dupage | C |
Big Rock | Kane | C |
Bloomingdale | Dupage | C |
Bolingbrook | Will | C |
Bristol | Kendall | C |
Carol Stream | Dupage | C |
Clarendon Hills | Dupage | C |
Darien | Dupage | C |
Downers Grove | Dupage | C |
Elburn | Kane | C |
Elmhurst | Dupage | C |
Eola | Dupage | C |
Fox Valley | Dupage | C |
Geneva | Kane | C |
Glen Ellyn | Dupage | C |
Glendale Heights | Dupage | C |
Hanover Park | Cook | C |
Hinsdale | Dupage | C |
Itasca | Dupage | C |
Kaneville | Kane | C |
Lafox | Kane | C |
Lemont | Cook | C |
Lisle | Dupage | C |
Lombard | Dupage | C |
Medinah | Dupage | C |
Millbrook | Kendall | C |
Montgomery | Kendall | C |
Mooseheart | Kane | C |
Naperville | Will | C |
North Aurora | Kane | C |
Oak Brook | Dupage | C |
Oswego | Kendall | C |
Plano | Kendall | C |
Roselle | Dupage | C |
St Charles | Kane | C |
Streamwood | Cook | C |
Sugar Grove | Kane | C |
Villa Park | Dupage | C |
Warrenville | Dupage | C |
Wasco | Kane | C |
Wayne | Dupage | C |
West Chicago | Dupage | C |
Westmont | Dupage | C |
Wheaton | Dupage | C |
Willowbrook | Dupage | C |
Winfield | Dupage | C |
Wood Dale | Dupage | C |
Woodridge | Dupage | C |
Yorkville | Kendall | C |