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What area code is 773? The area code 773 is located in Illinois and it serves Chicago. Area code 773 was created from area code 312 on February 29, 1996, and was first put to use on October 12, 1996. It has an overlay with area codes 872 and 312

The top counties that are being served by the 773 area code include Cook County

The major cities under each of these counties that are being served by the 773 area code are listed below:

Cook County

The cities within Cook County that are served by the 773 area code include Chicago.

 

773 Area Code Time Zone

What time zone is 773 Area Code? The time zone in the 773 area code is the Central Time Zone which is abbreviated as CST. The Central Time Zone is also known as America/Chicago. The Central Standard Time is UTC/GMT -6:00.

 

Significance of 773 Area Code

I don’t know if you notice that there is a three-digit number that precedes a telephone number any time you receive a call from your cell phone. Any time you see the three-digit code 773, it suggests that the call comes from any of the cities or counties listed above. However, there may be an exemption to this. With the use of mobile phone or roaming phone feature, the caller may not necessarily be at any of these cities or counties at the time of calling.

Nevertheless, knowing the counties and cities that the 773 area code covers can guide you when to call a particular person. This is because the person you want to call may be in a time zone that is different from your own.

 

Telephone Carriers in 773 Area Code

If you want to get a wireless telephone within the 773 area code, the popular wireless telephone carriers that you can approach include Verizon Wireless, Sprint, Cingular Wireless, USA Mobility Wireless, T-mobile, Cricket Comms, Indiana Paging Network, American Messaging (am), Level 3 Comms, and Bandwidth.com.

For landline, popular telephone carriers are Ameritech, Broadwing Comms, Mcimetro Access Transmission Services, Allegiance Telecom, Ovation Comms, Global Crossing Local Services, Teleport Comms America, Xo Illinois, Bandwidth.com, AT&T Local, First Comms, Paetec Comms, Mci Worldcom Comms, Ymax Comms Corp., Cimco Comms, Comco, RCN Telecom Services, Mci Worldcom Comms, Neutral Tandem, and Peerless Network.

 

Zip Codes in 773 Area Code

City	County	State	Area Code	Zip Code
Chicago	Cook	Illinois	773	60609
Chicago	Cook	Illinois	773	60613
Chicago	Cook	Illinois	773	60614
Chicago	Cook	Illinois	773	60617
Chicago	Cook	Illinois	773	60618
Chicago	Cook	Illinois	773	60620
Chicago	Cook	Illinois	773	60622
Chicago	Cook	Illinois	773	60623
Chicago	Cook	Illinois	773	60626
Chicago	Cook	Illinois	773	60628
Chicago	Cook	Illinois	773	60629
Chicago	Cook	Illinois	773	60630
Chicago	Cook	Illinois	773	60633
Chicago	Cook	Illinois	773	60634
Chicago	Cook	Illinois	773	60637
Chicago	Cook	Illinois	773	60639
Chicago	Cook	Illinois	773	60640
Chicago	Cook	Illinois	773	60641
Chicago	Cook	Illinois	773	60643
Chicago	Cook	Illinois	773	60644
Chicago	Cook	Illinois	773	60647
Chicago	Cook	Illinois	773	60649
Chicago	Cook	Illinois	773	60651
Chicago	Cook	Illinois	773	60653
Chicago	Cook	Illinois	773	60655
Chicago	Cook	Illinois	773	60657
Chicago	Cook	Illinois	773	60659
Chicago	Cook	Illinois	773	60660
Chicago	Cook	Illinois	773	60666
Chicago	Cook	Illinois	773	60638

 

Chicago	Cook	Illinois	773	60645
Chicago	Cook	Illinois	773	60615
Chicago	Cook	Illinois	773	60624
Chicago	Cook	Illinois	773	60632
Chicago	Cook	Illinois	773	60636
Chicago	Cook	Illinois	773	60652
Chicago	Cook	Illinois	773	60619
Chicago	Cook	Illinois	773	60625
Chicago	Cook	Illinois	773	60608
Chicago	Cook	Illinois	773	60621
Chicago	Cook	Illinois	773	60290

Area Code

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