CitysDirectory
City of Chicago
Directory area code 312 and prefix 321 available at City of Chicago
Directory Numbers
+1 (312) 321-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.
312-321-00**
312-321-01**
312-321-02**
312-321-03**
312-321-04**
312-321-05**
312-321-06**
312-321-07**
312-321-08**
312-321-09**
312-321-10**
312-321-11**
312-321-12**
312-321-13**
312-321-14**
312-321-15**
312-321-16**
312-321-17**
312-321-18**
312-321-19**
312-321-20**
312-321-21**
312-321-22**
312-321-23**
312-321-24**
312-321-25**
312-321-26**
312-321-27**
312-321-28**
312-321-29**
312-321-30**
312-321-31**
312-321-32**
312-321-33**
312-321-34**
312-321-35**
312-321-36**
312-321-37**
312-321-38**
312-321-39**
312-321-40**
312-321-41**
312-321-42**
312-321-43**
312-321-44**
312-321-45**
312-321-46**
312-321-47**
312-321-48**
312-321-49**
312-321-50**
312-321-51**
312-321-52**
312-321-53**
312-321-54**
312-321-55**
312-321-56**
312-321-57**
312-321-58**
312-321-59**
312-321-60**
312-321-61**
312-321-62**
312-321-63**
312-321-64**
312-321-65**
312-321-66**
312-321-67**
312-321-68**
312-321-69**
312-321-70**
312-321-71**
312-321-72**
312-321-73**
312-321-74**
312-321-75**
312-321-76**
312-321-77**
312-321-78**
312-321-79**
312-321-80**
312-321-81**
312-321-82**
312-321-83**
312-321-84**
312-321-85**
312-321-86**
312-321-87**
312-321-88**
312-321-89**
312-321-90**
312-321-91**
312-321-92**
312-321-93**
312-321-94**
312-321-95**
312-321-96**
312-321-97**
312-321-98**
312-321-99**
Complete Phone Number
e.g. 111-222-3333
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