Telephone Area 773. Page 7.
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 |
|---|---|---|---|
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773771-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773772-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773774-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773775-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773776-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773777-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773778-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773779-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773780-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773781-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773782-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773783-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773784-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773785-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773786-SSSS |
| Xo Illinois | Cook | Chicago, IL | +1-773787-SSSS |
| Ameritech Illinois | Cook | Summit, IL | +1-773788-SSSS |
| Sigecom | Chicago, IL | +1-773789-SSSS | |
| Level 3 Communications | Cook | Chicago, IL | +1-773790-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773791-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773792-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773793-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773794-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773795-SSSS |
| Level 3 Communications | Cook | Chicago, IL | +1-773796-SSSS |
| Broadwing Communications | Cook | Arlington Heights, IL | +1-773797-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773798-SSSS |
| Mcimetro Access Transmission Services LLC | Du Page | Bensenville, IL | +1-773799-SSSS |
| Level 3 Communications | Chicago, IL | +1-773800-SSSS | |
| Ameritech Illinois | Chicago, IL | +1-773801-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773802-SSSS |
| Sprint Spectrum L.p. | Chicago, IL | +1-773803-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773804-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773805-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773806-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773807-SSSS |
| Nextel Communications | Chicago, IL | +1-773808-SSSS | |
| T-mobile Usa | Chicago, IL | +1-773809-SSSS | |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773810-SSSS |
| Denali Spectrum License | Chicago, IL | +1-773812-SSSS | |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773813-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773814-SSSS |
| Denali Spectrum License | Chicago, IL | +1-773815-SSSS | |
| T-mobile Usa | Cook | Chicago, IL | +1-773816-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773817-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773818-SSSS |
| Nextel Communications | Chicago, IL | +1-773819-SSSS | |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773820-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773821-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773822-SSSS |
| AT&T Local | Cook | Chicago, IL | +1-773823-SSSS |
| Teleport Communications Group - Chicago | Cook | Chicago, IL | +1-773824-SSSS |
| Ameritech Illinois | Cook | Des Plaines, IL | +1-773825-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773826-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773827-SSSS |
| Level 3 Communications | Cook | Chicago, IL | +1-773828-SSSS |
| Level 3 Communications | Cook | Chicago, IL | +1-773829-SSSS |
| Xo Illinois | Cook | Chicago, IL | +1-773830-SSSS |
| Level 3 Communications | Cook | Chicago, IL | +1-773831-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773832-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773833-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773834-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773835-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773836-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773837-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773838-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773839-SSSS |
| Ovation Communications Of Illinois | Chicago, IL | +1-773840-SSSS | |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773841-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773842-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773843-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773844-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773845-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773846-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773847-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773848-SSSS |
| Cellco Partnership DBA Verizon Wireless | Chicago, IL | +1-773849-SSSS | |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773850-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773851-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773852-SSSS |
