Telephone Area +1 (773) XXX-XXXX Page 3. Chicago

Telephone Area +1 (773) XXX-XXXX / Page 3

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.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.

The table below shows the main major cities and telecom operators.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1 (773) XXX-XXXX

Other pages: 1 2 35 6 7 8 9 10

Company	District	Major City	Prefix
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 445-XXXX
Broadwing Communications	Cook	Chicago, IL	+1 (773) 446-XXXX
Nextel Communications	Cook	Chicago, IL	+1 (773) 447-XXXX
Usa Mobility Wireless	Cook	Chicago, IL	+1 (773) 448-XXXX
Rcn Telecom Services Of Illinois	Cook	Chicago, IL	+1 (773) 449-XXXX
New Cingular Wireless PCS	Cook	Chicago, IL	+1 (773) 450-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 451-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 452-XXXX
Xo Illinois	Du Page	Wood Dale, IL	+1 (773) 453-XXXX
Sprint Spectrum L.p.	Cook	Chicago, IL	+1 (773) 454-XXXX
Mci Worldcom Communications	Cook	Chicago, IL	+1 (773) 455-XXXX
New Cingular Wireless PCS	Cook	Chicago, IL	+1 (773) 456-XXXX
Nextel Communications	Cook	Chicago, IL	+1 (773) 457-XXXX
Mci Worldcom Communications	Cook	Chicago, IL	+1 (773) 458-XXXX
Sprint Spectrum L.p.	Cook	Chicago, IL	+1 (773) 459-XXXX
Usa Mobility Wireless	Cook	Chicago, IL	+1 (773) 460-XXXX
Usa Mobility Wireless	Cook	Chicago, IL	+1 (773) 461-XXXX
Ameritech Illinois	Cook	Schiller Park, IL	+1 (773) 462-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 463-XXXX
Usa Mobility Wireless	Cook	Chicago, IL	+1 (773) 464-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 465-XXXX
Xo Illinois	Du Page	Wood Dale, IL	+1 (773) 466-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 467-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 468-XXXX
Sprint Spectrum L.p.	Cook	Chicago, IL	+1 (773) 469-XXXX
Xo Illinois	Cook	Chicago, IL	+1 (773) 470-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 471-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 472-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 473-XXXX
Ovation Communications Of Illinois	Cook	Chicago, IL	+1 (773) 474-XXXX
Teleport Communications Group - Chicago	Cook	Chicago, IL	+1 (773) 475-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 476-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 477-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 478-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 479-XXXX
New Cingular Wireless PCS	Cook	Chicago, IL	+1 (773) 480-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 481-XXXX
Ovation Communications Of Illinois	Cook	Chicago, IL	+1 (773) 482-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 483-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 484-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 485-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 486-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 487-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 488-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 489-XXXX
New Cingular Wireless PCS	Cook	Chicago, IL	+1 (773) 490-XXXX
Nextel Communications	Cook	Chicago, IL	+1 (773) 491-XXXX
Usa Mobility Wireless	Cook	Chicago, IL	+1 (773) 492-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 493-XXXX
Nextel Communications	Cook	Chicago, IL	+1 (773) 494-XXXX
Sprint Spectrum L.p.	Cook	Chicago, IL	+1 (773) 495-XXXX
Ovation Communications Of Illinois	Cook	Chicago, IL	+1 (773) 496-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 497-XXXX
Teleport Communications Group - Chicago	Cook	Chicago, IL	+1 (773) 498-XXXX
United States Cellular Corp. - Illinois	Cook	Chicago, IL	+1 (773) 499-XXXX
T-mobile Usa	Cook	Chicago, IL	+1 (773) 501-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 502-XXXX
T-mobile Usa	Cook	Chicago, IL	+1 (773) 503-XXXX
New Cingular Wireless PCS	Cook	Chicago, IL	+1 (773) 504-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 505-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 506-XXXX
United States Cellular Corp. - Illinois	Cook	Chicago, IL	+1 (773) 507-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 508-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 509-XXXX
T-mobile Usa	Cook	Chicago, IL	+1 (773) 510-XXXX
Sprint Spectrum L.p.	Cook	Chicago, IL	+1 (773) 512-XXXX
New Cingular Wireless PCS	Cook	Chicago, IL	+1 (773) 513-XXXX
American Messaging (am)	Cook	Chicago, IL	+1 (773) 514-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 515-XXXX
Neutral Tandem-illinois	Cook	Chicago, IL	+1 (773) 516-XXXX
T-mobile Usa	Cook	Chicago, IL	+1 (773) 517-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 518-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 519-XXXX
Cellco Partnership DBA Verizon Wireless	Cook	Chicago, IL	+1 (773) 520-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 521-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 522-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 523-XXXX
Broadwing Communications	Cook	Chicago, IL	+1 (773) 524-XXXX
Ameritech Illinois	Cook	Chicago, IL	+1 (773) 525-XXXX
Ovation Communications Of Illinois	Cook	Chicago, IL	+1 (773) 526-XXXX

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