CitysDirectory
City of Chicago
Directory area code 773 and prefix 721 available at City of Chicago
Directory Numbers
+1 (773) 721-XXXX
Here are the components:
Country Code: +1 (both the USA and Canada share the same country code).
Area Code: A 3-digit code that designates a specific geographic area or region.
Prefix: A 3-digit code that narrows the location within the area covered by the area code.
Line Number: A 4-digit number unique to the individual or business within that prefix.
773-721-00**
773-721-01**
773-721-02**
773-721-03**
773-721-04**
773-721-05**
773-721-06**
773-721-07**
773-721-08**
773-721-09**
773-721-10**
773-721-11**
773-721-12**
773-721-13**
773-721-14**
773-721-15**
773-721-16**
773-721-17**
773-721-18**
773-721-19**
773-721-20**
773-721-21**
773-721-22**
773-721-23**
773-721-24**
773-721-25**
773-721-26**
773-721-27**
773-721-28**
773-721-29**
773-721-30**
773-721-31**
773-721-32**
773-721-33**
773-721-34**
773-721-35**
773-721-36**
773-721-37**
773-721-38**
773-721-39**
773-721-40**
773-721-41**
773-721-42**
773-721-43**
773-721-44**
773-721-45**
773-721-46**
773-721-47**
773-721-48**
773-721-49**
773-721-50**
773-721-51**
773-721-52**
773-721-53**
773-721-54**
773-721-55**
773-721-56**
773-721-57**
773-721-58**
773-721-59**
773-721-60**
773-721-61**
773-721-62**
773-721-63**
773-721-64**
773-721-65**
773-721-66**
773-721-67**
773-721-68**
773-721-69**
773-721-70**
773-721-71**
773-721-72**
773-721-73**
773-721-74**
773-721-75**
773-721-76**
773-721-77**
773-721-78**
773-721-79**
773-721-80**
773-721-81**
773-721-82**
773-721-83**
773-721-84**
773-721-85**
773-721-86**
773-721-87**
773-721-88**
773-721-89**
773-721-90**
773-721-91**
773-721-92**
773-721-93**
773-721-94**
773-721-95**
773-721-96**
773-721-97**
773-721-98**
773-721-99**
Complete Phone Number
e.g. 111-222-3333
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