Telephone Area 773. Page 3.
Prefix: +1773
This prefix is distributed within the state Illinois
The largest city in the region is Chicago
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
Below on the map, there is indicated the largest city in the telephone area +1-773-...-.... Illinois Chicago.
Phone numbers +1-773-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Ameritech Illinois | Cook | Chicago, IL | +1-773445-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773446-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773447-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773448-SSSS |
| Rcn Telecom Services Of Illinois | Cook | Chicago, IL | +1-773449-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773450-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773451-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773452-SSSS |
| Xo Illinois | Du Page | Wood Dale, IL | +1-773453-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773454-SSSS |
| Mci Worldcom Communications | Cook | Chicago, IL | +1-773455-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773456-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773457-SSSS |
| Mci Worldcom Communications | Cook | Chicago, IL | +1-773458-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773459-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773460-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773461-SSSS |
| Ameritech Illinois | Cook | Schiller Park, IL | +1-773462-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773463-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773464-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773465-SSSS |
| Xo Illinois | Du Page | Wood Dale, IL | +1-773466-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773467-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773468-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773469-SSSS |
| Xo Illinois | Cook | Chicago, IL | +1-773470-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773471-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773472-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773473-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773474-SSSS |
| Teleport Communications Group - Chicago | Cook | Chicago, IL | +1-773475-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773476-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773477-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773478-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773479-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773480-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773481-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773482-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773483-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773484-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773485-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773486-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773487-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773488-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773489-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773490-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773491-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773492-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773493-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773494-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773495-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773496-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773497-SSSS |
| Teleport Communications Group - Chicago | Cook | Chicago, IL | +1-773498-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773499-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773501-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773502-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773503-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773504-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773505-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773506-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773507-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773508-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773509-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773510-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773512-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773513-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773514-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773515-SSSS |
| Neutral Tandem-illinois | Cook | Chicago, IL | +1-773516-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773517-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773518-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773519-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773520-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773521-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773522-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773523-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773524-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773525-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773526-SSSS |
