Telephone Area 773. Page 4.
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 |
|---|---|---|---|
| Broadwing Communications | Cook | Arlington Heights, IL | +1-773527-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773528-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773529-SSSS |
| Comcast Phone Of Illinois DBA Comco | Cook | Chicago, IL | +1-773530-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773531-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773532-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773533-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773534-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773535-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773536-SSSS |
| Cimco Communications | Cook | Chicago, IL | +1-773537-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773538-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773539-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773540-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773541-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773542-SSSS |
| T-mobile Usa | Chicago, IL | +1-773543-SSSS | |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773544-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773545-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773546-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773547-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773548-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773549-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773550-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773551-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773552-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773553-SSSS |
| Nextel Communications | Chicago, IL | +1-773554-SSSS | |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773556-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773557-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773558-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773559-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773560-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773561-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773562-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773563-SSSS |
| Teleport Communications Group - Chicago | Cook | Chicago, IL | +1-773564-SSSS |
| Cimco Communications | Cook | Chicago, IL | +1-773565-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773566-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773567-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773568-SSSS |
| Ameritech Illinois | Cook | Elk Grove Village, IL | +1-773569-SSSS |
| Level 3 Communications | Cook | Chicago, IL | +1-773570-SSSS |
| Cellco Partnership DBA Verizon Wireless | Chicago, IL | +1-773571-SSSS | |
| Broadwing Communications | Cook | Chicago, IL | +1-773572-SSSS |
| Xo Illinois | Cook | Chicago, IL | +1-773573-SSSS |
| T-mobile Usa | Chicago, IL | +1-773574-SSSS | |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773575-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773576-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773577-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773578-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773579-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773580-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773581-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773582-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773583-SSSS |
| Mci Worldcom Communications | Cook | Chicago, IL | +1-773584-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773585-SSSS |
| Ameritech Illinois | Cook | Summit, IL | +1-773586-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773587-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773588-SSSS |
| Ameritech Illinois | Cook | River Grove, IL | +1-773589-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773590-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773591-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773592-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773593-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773594-SSSS |
| T-mobile Usa | Chicago, IL | +1-773595-SSSS | |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773596-SSSS |
| Cimco Communications | Cook | Chicago, IL | +1-773597-SSSS |
| Mci Worldcom Communications | Cook | Chicago, IL | +1-773598-SSSS |
| Ymax Communications Corp. | Chicago, IL | +1-773599-SSSS | |
| T-mobile Usa | Cook | Chicago, IL | +1-773600-SSSS |
| Ameritech Illinois | Cook | Schiller Park, IL | +1-773601-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773602-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773603-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773604-SSSS |
| Globalcom-il | Chicago, IL | +1-773605-SSSS | |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773606-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773607-SSSS |
