There are 209 phone number prefixes within area code 331. Additionally, there are more than 1,400 phone numbers in this area code that have received at least one user report. The location of calls from area code 331 is Illinois, USA. Most numbers in this area code are in US Central time, where the time is currently 12:12:44 AM on April 27, 2024.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 331-315 | Lombard, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-318 | Lemont, IL | Local Access Llc - Il |
| 331-321 | Aurora, IL | T-mobile Usa, Inc. |
| 331-330 | Naperville, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-331 | Illinois | |
| 331-332 | Naperville, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-333 | Naperville, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-334 | Batavia, IL | Onvoy, Llc |
| 331-336 | Aurora, IL | Fractel, Llc |
| 331-341 | Plano, IL | Radiantiq Llc |
| 331-345 | Naperville, IL | Fractel, Llc |
| 331-348 | Elburn, IL | Fractel, Llc |
| 331-356 | Bartlett, IL | Fractel, Llc |
| 331-373 | Oswego, IL | Ton80 Communications, Llc |
| 331-385 | Aurora, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-388 | Sugar Grove, IL | Fractel, Llc |
| 331-399 | Downers Grove, IL | Fractel, Llc |
| 331-400 | Oswego, IL | Fractel, Llc |
| 331-401 | Naperville, IL | Level 3 Communications, Llc - Il |
| 331-411 | Illinois | |
| 331-422 | St Charles, IL | Level 3 Communications, Llc - Il |
| 331-425 | Aurora, IL | T-mobile Usa, Inc. |
| 331-426 | Lemont, IL | Ton80 Communications, Llc |
| 331-431 | Aurora, IL | Bandwidth.com Clec, Llc - Il |
| 331-442 | St Charles, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-444 | Naperville, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-452 | Aurora, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-454 | Aurora, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-456 | Roselle, IL | First Communications, Llc - Il |
| 331-457 | Naperville, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-462 | Lombard, IL | Xo Illinois, Inc. |
| 331-465 | West Chicago, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-466 | Glen Ellyn, IL | Ton80 Communications, Llc |
| 331-472 | Naperville, IL | T-mobile Usa, Inc. |
| 331-481 | Downers Grove, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-500 | Geneva, IL | Fractel, Llc |
| 331-511 | Illinois | |
| 331-529 | Naperville, IL | Fractel, Llc |
| 331-551 | Lombard, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-555 | Illinois | |
| 331-575 | Aurora, IL | Sprint Spectrum, L.p. |
| 331-588 | St Charles, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-591 | Illinois | |
| 331-600 | Wheaton, IL | Fractel, Llc |
| 331-611 | Illinois | |
| 331-618 | Illinois | |
| 331-625 | Downers Grove, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-627 | Lombard, IL | Ton80 Communications, Llc |
| 331-630 | Illinois | |
| 331-642 | Elmhurst, IL | Bandwidth.com Clec, Llc - Il |
| 331-643 | Aurora, IL | Sprint Spectrum, L.p. |
| 331-645 | Elmhurst, IL | Sprint Spectrum, L.p. |
| 331-666 | Aurora, IL | Onvoy, Llc |
| 331-684 | Aurora, IL | Rcn Telecom Services Of Illinios, Inc. - Il |
| 331-688 | Naperville, IL | Ton80 Communications, Llc |
| 331-700 | Illinois | |
| 331-701 | Naperville, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-702 | Naperville, IL | Mcimetro Access Transmission Services Llc - Il |
| 331-703 | West Chicago, IL | T-mobile Usa, Inc. |
| 331-704 | Kaneville, IL | Bandwidth.com Clec, Llc - Il |
| 331-707 | Aurora, IL | T-mobile Usa, Inc. |
| 331-708 | Illinois | |
| 331-711 | Illinois | |
| 331-716 | Wheaton, IL | Onvoy, Llc |
| 331-717 | Oswego, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-725 | Oswego, IL | New Cingular Wireless Pcs, Llc - Il |
| 331-732 | Geneva, IL | Fractel, Llc |
| 331-746 | Kaneville, IL | Ton80 Communications, Llc |
| 331-757 | Lemont, IL | T-mobile Usa, Inc. |
| 331-758 | Aurora, IL | Fractel, Llc |
| 331-771 | St Charles, IL | Onvoy, Llc |
| 331-773 | Illinois | |
| 331-775 | Downers Grove, IL | Comcast Ip Phone, Llc |
| 331-777 | Downers Grove, IL | Cellco Partnership Dba Verizon Wireless - Il |
| 331-779 | Illinois | |
| 331-788 | Geneva, IL | Fractel, Llc |
| 331-800 | West Chicago, IL | Onvoy, Llc |
| 331-801 | Downers Grove, IL | Teleport Communications America, Llc - Il |
| 331-803 | Lemont, IL | Peerless Network Of Illinois, Llc - Il |
| 331-806 | Wheaton, IL | Comcast Ip Phone, Llc |
| 331-808 | Plano, IL | Bandwidth.com Clec, Llc - Il |
| 331-811 | Illinois | |
| 331-814 | Naperville, IL | T-mobile Usa, Inc. |
| 331-815 | Illinois | |
| 331-825 | Geneva, IL | Digital Network Access Communications, Inc. - Il |
| 331-826 | Elmhurst, IL | Sprint Spectrum, L.p. |
| 331-837 | West Chicago, IL | Ton80 Communications, Llc |
| 331-847 | Illinois | |
| 331-850 | Big Rock, IL | Radiantiq Llc |
| 331-866 | Wheaton, IL | Ton80 Communications, Llc |
| 331-867 | Yorkville, IL | Fractel, Llc |
| 331-871 | West Chicago, IL | Onvoy, Llc |
| 331-872 | Illinois | |
| 331-888 | Warrenville, IL | Peerless Network Of Illinois, Llc - Il |
| 331-899 | Lombard, IL | Fractel, Llc |
| 331-900 | Elmhurst, IL | Fractel, Llc |
| 331-901 | St Charles, IL | Bandwidth.com Clec, Llc - Il |
| 331-903 | Downers Grove, IL | At&t Corp. |
| 331-911 | Illinois | |
| 331-946 | Glen Ellyn, IL | Fractel, Llc |
April 24, 2024