Prefix |
City |
County |
Carrier |
Type |
1-331-200 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-201 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-202 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-203 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-204 |
Chicago |
Cook |
Neutral Tandem-illinois, Llc - Il |
Other |
1-331-205 |
Arlington Heights |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-206 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-207 |
Chicago |
Cook |
Level 3 Communications, Llc - Il |
Other |
1-331-208 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-209 |
Chicago |
Cook |
Level 3 Communications, Llc - Il |
Other |
1-331-210 |
West Chicago |
DuPage |
Peerless Network Of Illinois, Llc - Il |
Other |
1-331-212 |
Hickory Hills |
Cook |
Mci Worldcom Communications, Inc. - Il |
Other |
1-331-213 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-214 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-215 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-216 |
Willowbrook |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-218 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-220 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-221 |
Elmhurst |
DuPage |
Ameritech Illinois |
Other |
1-331-222 |
West Chicago |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-223 |
Elgin |
Kane |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-225 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-227 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-228 |
Chicago |
Cook |
Ovation Communications Of Illinois, Inc. |
Other |
1-331-229 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-234 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-240 |
Chicago |
Cook |
Peerless Network Of Illinois, Llc - Il |
Other |
1-331-245 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-248 |
Chicago |
Cook |
Comcast Phone Of Illinois, Llc Dba Comco - Il |
Other |
1-331-250 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-251 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-252 |
Oak Brook |
DuPage |
Teleport Communications America, Llc - Il |
Other |
1-331-253 |
Elgin |
Kane |
T-mobile Usa, Inc. |
Other |
1-331-254 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-256 |
Chicago |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-262 |
West Chicago |
DuPage |
Sprint Spectrum L.p. |
Other |
1-331-263 |
Chicago |
Cook |
Neutral Tandem-illinois, Llc - Il |
Other |
1-331-276 |
West Chicago |
DuPage |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-281 |
Naperville |
DuPage |
Ameritech Illinois |
Other |
1-331-300 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-301 |
Chicago |
Cook |
Local Access Llc - Il |
Other |
1-331-302 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-303 |
Chicago |
Cook |
Cibolo Creek Ventures, Llc Dba Routepoint Comm Il |
Other |
1-331-304 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-305 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-307 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-308 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-310 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-315 |
Willowbrook |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-318 |
Chicago |
Cook |
Local Access Llc - Il |
Other |
1-331-321 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-330 |
Buffalo Grove |
Lake |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-332 |
Naperville |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-333 |
Chicago |
Cook |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-385 |
Chicago |
Cook |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-401 |
Chicago |
Cook |
Level 3 Communications, Llc - Il |
Other |
1-331-422 |
Chicago |
Cook |
Level 3 Communications, Llc - Il |
Other |
1-331-425 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-431 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-442 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-444 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-452 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-454 |
West Chicago |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-456 |
Chicago |
Cook |
First Communications Llc - Il |
Other |
1-331-457 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-462 |
Oak Brook |
DuPage |
Xo Illinois, Inc. |
Other |
1-331-465 |
Chicago |
Cook |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-472 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-481 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-551 |
Willowbrook |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-575 |
West Chicago |
DuPage |
Sprint Spectrum L.p. |
Other |
1-331-588 |
West Chicago |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-625 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-642 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-643 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-645 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-684 |
Naperville |
DuPage |
Sigecom, Llc Dba Wow Internet Cable And Phone |
Other |
1-331-701 |
Hickory Hills |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-702 |
Elk Grove Village |
Cook |
Mci Worldcom Communications, Inc. - Il |
Other |
1-331-703 |
Buffalo Grove |
Lake |
T-mobile Usa, Inc. |
Other |
1-331-704 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-707 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-716 |
Chicago |
Cook |
Broadvox-clec, Llc - Il |
Other |
1-331-717 |
Willowbrook |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-725 |
Willowbrook |
DuPage |
New Cingular Wireless Pcs, Llc - Il |
Other |
1-331-757 |
Elgin |
Kane |
T-mobile Usa, Inc. |
Other |
1-331-771 |
Chicago |
Cook |
Neutral Tandem-illinois, Llc - Il |
Other |
1-331-775 |
Elgin |
Kane |
Comcast Phone Of Illinois, Llc Dba Comco - Il |
Other |
1-331-777 |
Chicago |
Cook |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-801 |
Oak Brook |
DuPage |
Teleport Communications America, Llc - Il |
Other |
1-331-803 |
Chicago |
Cook |
Peerless Network Of Illinois, Llc - Il |
Other |
1-331-806 |
Chicago |
Cook |
Comcast Phone Of Illinois, Llc Dba Comco - Il |
Other |
1-331-808 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-814 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-825 |
|
|
Digital Network Access Communications, Inc. - Il |
Other |
1-331-826 |
Arlington Heights |
Cook |
Sprint Spectrum L.p. |
Other |
1-331-871 |
Buffalo Grove |
Lake |
Neutral Tandem-illinois, Llc - Il |
Other |
1-331-888 |
Chicago |
Cook |
Peerless Network Of Illinois, Llc - Il |
Other |
1-331-901 |
West Chicago |
DuPage |
Bandwidth.com Clec, Llc - Il |
Other |
1-331-903 |
Buffalo Grove |
Lake |
At&t Corp. |
Other |
1-331-979 |
Chicago |
Cook |
Comcast Phone Of Illinois, Llc Dba Comco - Il |
Other |
1-331-980 |
Chicago |
Cook |
T-mobile Usa, Inc. |
Other |
1-331-998 |
Elgin |
Kane |
Cellco Partnership Dba Verizon Wireless - Il |
Other |
1-331-999 |
Chicago |
Cook |
Bandwidth.com Clec, Llc - Il |
Other |