Telephone Area 773. Page 1.
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 | +1-773282-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773283-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773284-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773285-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773286-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773287-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773288-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773289-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773290-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773291-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773292-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773293-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773294-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773295-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773296-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773297-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773298-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773299-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773301-SSSS |
| Nextel Communications | Chicago, IL | +1-773302-SSSS | |
| Allegiance Telecom | Cook | Chicago, IL | +1-773303-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773304-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773305-SSSS |
| AT&T Local | Cook | Chicago, IL | +1-773306-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773307-SSSS |
| Globalcom-il | Cook | Chicago, IL | +1-773308-SSSS |
| Paetec Communications | Cook | Chicago, IL | +1-773309-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773310-SSSS |
| Nextel Communications | Chicago, IL | +1-773312-SSSS | |
| Allegiance Telecom | Cook | Chicago, IL | +1-773313-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773314-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773315-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773316-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773317-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773318-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773319-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773320-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773321-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773322-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773323-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773324-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773325-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773326-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773327-SSSS |
| Globalcom-il | Cook | Chicago, IL | +1-773328-SSSS |
| AT&T Local | Cook | Chicago, IL | +1-773329-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773330-SSSS |
| Mci Worldcom Communications | Cook | Chicago, IL | +1-773331-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773332-SSSS |
| American Messaging (am) | Cook | Chicago, IL | +1-773333-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773334-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773335-SSSS |
| Globalcom-il | Cook | Chicago, IL | +1-773336-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773337-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773338-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773339-SSSS |
| Ymax Communications Corp. | Chicago, IL | +1-773340-SSSS | |
| Globalcom-il | Cook | Chicago, IL | +1-773341-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773342-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773343-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773344-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773345-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773346-SSSS |
| Allegiance Telecom | Cook | Chicago, IL | +1-773347-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773348-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773349-SSSS |
| Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-773350-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773351-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773352-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773353-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773354-SSSS |
| Ovation Communications Of Illinois | Cook | Chicago, IL | +1-773355-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773356-SSSS |
| Globalcom-il | Cook | Chicago, IL | +1-773357-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773358-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773359-SSSS |
| Broadwing Communications | Cook | Chicago, IL | +1-773360-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773361-SSSS |
| Paetec Communications | Cook | Chicago, IL | +1-773362-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773363-SSSS |
