CitysDirectory
City of Chicago
Directory area code 312 and prefix 228 available at City of Chicago
Directory Numbers
+1 (312) 228-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.
312-228-00**
312-228-01**
312-228-02**
312-228-03**
312-228-04**
312-228-05**
312-228-06**
312-228-07**
312-228-08**
312-228-09**
312-228-10**
312-228-11**
312-228-12**
312-228-13**
312-228-14**
312-228-15**
312-228-16**
312-228-17**
312-228-18**
312-228-19**
312-228-20**
312-228-21**
312-228-22**
312-228-23**
312-228-24**
312-228-25**
312-228-26**
312-228-27**
312-228-28**
312-228-29**
312-228-30**
312-228-31**
312-228-32**
312-228-33**
312-228-34**
312-228-35**
312-228-36**
312-228-37**
312-228-38**
312-228-39**
312-228-40**
312-228-41**
312-228-42**
312-228-43**
312-228-44**
312-228-45**
312-228-46**
312-228-47**
312-228-48**
312-228-49**
312-228-50**
312-228-51**
312-228-52**
312-228-53**
312-228-54**
312-228-55**
312-228-56**
312-228-57**
312-228-58**
312-228-59**
312-228-60**
312-228-61**
312-228-62**
312-228-63**
312-228-64**
312-228-65**
312-228-66**
312-228-67**
312-228-68**
312-228-69**
312-228-70**
312-228-71**
312-228-72**
312-228-73**
312-228-74**
312-228-75**
312-228-76**
312-228-77**
312-228-78**
312-228-79**
312-228-80**
312-228-81**
312-228-82**
312-228-83**
312-228-84**
312-228-85**
312-228-86**
312-228-87**
312-228-88**
312-228-89**
312-228-90**
312-228-91**
312-228-92**
312-228-93**
312-228-94**
312-228-95**
312-228-96**
312-228-97**
312-228-98**
312-228-99**
Complete Phone Number
e.g. 111-222-3333
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