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Area code 773
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<h2 id="external-links">External links</h2> <ul><li><a href="https://www.nanpa.com/area_code_maps/display.html?il">Map of Illinois area codes</a> by the <a href="/facts/North_American_Numbering_Plan_Administration/0QQ8v3ph">North American Numbering Plan Administration</a></li> <li><a href="https://web.archive.org/web/20090405170017/http://www.areacodedownload.com/773/index.html">List of exchanges in the 773 Area Code</a> from AreaCodeDownload.com</li></ul> <a href="/facts/Illinois/MuPb1Ctn">Illinois</a> area codes: <a href="/facts/Area_codes_217_and_447/boITp054">217/447</a>, <a href="/facts/Area_codes_309_and_861/rae1GFNQ">309/861</a>, <a href="/facts/Area_code_312/CVlT2ygl">312</a>, <a href="/facts/Area_codes_630_and_331/d3Rg1qTP">630/331</a>, <a href="/facts/Area_codes_618_and_730/GyEJjMAL">618/730</a>, <a href="/facts/Area_codes_708_and_464/sApKD2tw">708/464</a>, 773, <a href="/facts/Area_codes_815_and_779/gKzluNWv">815/779</a>, <a href="/facts/Area_codes_847_and_224/QW17Q2qk">847/224</a>, <a href="/facts/Area_code_872/dLUIrIuI">872</a><table><tbody><tr><td></td><td>North: <a href="/facts/Area_codes_847_and_224/QW17Q2qk">847/224</a></td><td></td></tr><tr><td>West: 708</td><td>773 </td><td>East: <a href="/facts/Area_code_312/CVlT2ygl">312</a>, <a href="/facts/Area_code_219/g4tuh3zS">219</a>, <a href="/facts/Lake_Michigan/t5ynSsvY">Lake Michigan</a></td></tr><tr><td></td><td>South: <a href="/facts/Area_codes_708_and_464/sApKD2tw">708/464</a></td><td></td></tr><tr><td colspan="3"><a href="/facts/Indiana/VRnvjXoQ">Indiana</a> area codes: <a href="/facts/Area_code_219/g4tuh3zS">219</a>, <a href="/facts/Area_code_260/HePb7co0">260</a>, <a href="/facts/Area_codes_317_and_463/kMUbAmVR">317/463</a>, <a href="/facts/Area_code_574/3eyDcYkU">574</a>, <a href="/facts/Area_code_765/63MAX82t">765</a>, <a href="/facts/Area_codes_812_and_930/RCho1hEH">812/930</a></td></tr></tbody></table> <p><a href="https://geohack.toolforge.org/geohack.php?pagename=Area_code_773¶ms=41.88_N_87.6316667_W_type:adm3rd_region:US-IL">41°52′48″N 87°37′54″W / 41.88°N 87.6316667°W / 41.88; -87.6316667</a> </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"AT&T Area Code History: Illinois". AT&T. 2009. Archived from the original on October 28, 2007. Retrieved August 19, 2009. <a href="https://web.archive.org/web/20071028144526/http://www.att.com/gen/general?pid=1717" target="_blank">https://web.archive.org/web/20071028144526/http://www.att.com/gen/general?pid=1717</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Grace Period Ends for 773 Area Code". Chicago Tribune. January 11, 1997. Retrieved October 24, 2020. <a href="https://www.chicagotribune.com/1997/01/11/grace-period-ends-for-773-area-code/" target="_blank">https://www.chicagotribune.com/1997/01/11/grace-period-ends-for-773-area-code/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Local calling guide: Chicago Zone 01: Calumet, IL <a href="https://localcallingguide.com/lca_exch.php?exch=047801" target="_blank">https://localcallingguide.com/lca_exch.php?exch=047801</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>