Telephone Area 773. .
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 |
|---|---|---|---|
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773201-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773202-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773203-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773204-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773205-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773206-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773207-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773208-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773209-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773210-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773212-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773213-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773214-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773215-SSSS |
| United States Cellular Corp. - Illinois | Cook | Chicago, IL | +1-773216-SSSS |
| Denali Spectrum License | Chicago, IL | +1-773217-SSSS | |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773218-SSSS |
| Nextel Communications | Chicago, IL | +1-773219-SSSS | |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773220-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773221-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773222-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773223-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773224-SSSS |
| T-mobile Usa | Chicago, IL | +1-773225-SSSS | |
| T-mobile Usa | Chicago, IL | +1-773226-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773227-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773228-SSSS |
| Ameritech Illinois | Cook | Summit, IL | +1-773229-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773230-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773231-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773232-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773233-SSSS |
| Bandwidth.com Clec | Cook | Chicago, IL | +1-773234-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773235-SSSS |
| T-mobile Usa | Cook | Chicago, IL | +1-773236-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773237-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773238-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773239-SSSS |
| T-mobile Usa | Chicago, IL | +1-773240-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773241-SSSS |
| Ameritech Illinois | Cook | Cicero, IL | +1-773242-SSSS |
| Xo Illinois | Du Page | Wood Dale, IL | +1-773243-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773244-SSSS |
| Bandwidth.com Clec | Cook | Chicago, IL | +1-773245-SSSS |
| Indiana Paging Ntwk | Cook | Chicago, IL | +1-773246-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773247-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773248-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773249-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773250-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773251-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773252-SSSS |
| Teleport Communications Group - Chicago | Cook | Chicago, IL | +1-773253-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773254-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773255-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773256-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773257-SSSS |
| Usa Mobility Wireless | Cook | Chicago, IL | +1-773258-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773259-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773260-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773261-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773262-SSSS |
| Sprint Spectrum L.p. | Cook | Chicago, IL | +1-773263-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773264-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773265-SSSS |
| New Cingular Wireless PCS | Cook | Chicago, IL | +1-773266-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773267-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773268-SSSS |
| AT&T Local | Cook | Chicago, IL | +1-773269-SSSS |
| Nextel Communications | Chicago, IL | +1-773270-SSSS | |
| Ameritech Illinois | Cook | Chicago, IL | +1-773271-SSSS |
| Mcimetro Access Transmission Services LLC | Cook | Chicago, IL | +1-773272-SSSS |
| Ameritech Illinois | Cook | Evanston, IL | +1-773273-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773274-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773275-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773276-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773277-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773278-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773279-SSSS |
| Nextel Communications | Cook | Chicago, IL | +1-773280-SSSS |
| Ameritech Illinois | Cook | Chicago, IL | +1-773281-SSSS |
