Telephone Area 773. Page 8.
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 |
|---|---|---|---|
| Sprint Spectrum L.p. | Chicago, IL | +1-773853-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773854-SSSS |
| Rcn Telecom Services Of Illinois | Cook | Chicago, IL | +1-773855-SSSS |
| Rcn Telecom Services Of Illinois | Cook | Chicago, IL | +1-773856-SSSS |
| Rcn Telecom Services Of Illinois | Cook | Chicago, IL | +1-773857-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773858-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773859-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773860-SSSS |
| Globalcom-il | Chicago, IL | +1-773861-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773862-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773863-SSSS |
| Ameritech Illinois | Cook | Park Ridge, IL | +1-773864-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773865-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773866-SSSS |
| Ameritech Illinois | Cook | Park Ridge, IL | +1-773867-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773868-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773869-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773870-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773871-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773873-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773874-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773875-SSSS |
| United States Cellular Corp. - Illinois | Chicago, IL | +1-773876-SSSS | |
| T-mobile Usa | Chicago, IL | +1-773877-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773878-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773879-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773880-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773881-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773882-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773883-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773884-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773885-SSSS |
| T-mobile Usa | Chicago, IL | +1-773886-SSSS | |
| Mcimetro Access Transmission Services LLC | Du Page | Bensenville, IL | +1-773887-SSSS |
| Bandwidth.com Clec | Chicago, IL | +1-773888-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773889-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773890-SSSS |
| Comcast Phone Of Illinois DBA Comco | Chicago, IL | +1-773891-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773892-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773893-SSSS |
| Ameritech Illinois | Cook | Schiller Park, IL | +1-773894-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773895-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773896-SSSS |
| Peerless Network Of Illinois | Chicago, IL | +1-773897-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773898-SSSS |
| Cellco Partnership DBA Verizon Wireless | Chicago, IL | +1-773899-SSSS | |
| Denali Spectrum License | Chicago, IL | +1-773901-SSSS | |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773902-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773903-SSSS |
| Level 3 Communications | Chicago, IL | +1-773904-SSSS | |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773905-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773906-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773907-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773908-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773909-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773910-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773912-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773913-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773914-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773915-SSSS |
| T-mobile Usa | Chicago, IL | +1-773916-SSSS | |
| Mci Worldcom Communications | Cook | Chicago, IL | +1-773917-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773918-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773919-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773920-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773921-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773922-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773923-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773924-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773925-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773926-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773927-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773928-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773929-SSSS |
| Sprint Spectrum L.p. | Chicago, IL | +1-773930-SSSS | |
| T-mobile Usa | Cook | Chicago, IL | +1-773931-SSSS |
| Global Crossing Local Services-il | Cook | Chicago, IL | +1-773932-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773933-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773934-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773935-SSSS |
