CitysDirectory
City of Houston
Directory area code 713 and prefix 721 available at City of Houston
Directory Numbers
+1 (713) 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.
713-721-00**
713-721-01**
713-721-02**
713-721-03**
713-721-04**
713-721-05**
713-721-06**
713-721-07**
713-721-08**
713-721-09**
713-721-10**
713-721-11**
713-721-12**
713-721-13**
713-721-14**
713-721-15**
713-721-16**
713-721-17**
713-721-18**
713-721-19**
713-721-20**
713-721-21**
713-721-22**
713-721-23**
713-721-24**
713-721-25**
713-721-26**
713-721-27**
713-721-28**
713-721-29**
713-721-30**
713-721-31**
713-721-32**
713-721-33**
713-721-34**
713-721-35**
713-721-36**
713-721-37**
713-721-38**
713-721-39**
713-721-40**
713-721-41**
713-721-42**
713-721-43**
713-721-44**
713-721-45**
713-721-46**
713-721-47**
713-721-48**
713-721-49**
713-721-50**
713-721-51**
713-721-52**
713-721-53**
713-721-54**
713-721-55**
713-721-56**
713-721-57**
713-721-58**
713-721-59**
713-721-60**
713-721-61**
713-721-62**
713-721-63**
713-721-64**
713-721-65**
713-721-66**
713-721-67**
713-721-68**
713-721-69**
713-721-70**
713-721-71**
713-721-72**
713-721-73**
713-721-74**
713-721-75**
713-721-76**
713-721-77**
713-721-78**
713-721-79**
713-721-80**
713-721-81**
713-721-82**
713-721-83**
713-721-84**
713-721-85**
713-721-86**
713-721-87**
713-721-88**
713-721-89**
713-721-90**
713-721-91**
713-721-92**
713-721-93**
713-721-94**
713-721-95**
713-721-96**
713-721-97**
713-721-98**
713-721-99**
Complete Phone Number
e.g. 111-222-3333
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