Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 904 [Rate centres in NPA 904] [Dial plan for NPA 904]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
904-231 A Jacksonville FL JCVLFLCL83Z  939H COMMIO, LLC 45204   2024-02-17   
904-231 0 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 1 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 2 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 3 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 4 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 5 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 6 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 7 Jacksonville FL   939H COMMIO, LLC 45204   2024-02-17   
904-231 8 Jacksonville FL   937C ONVOY, LLC - FL 45204   2024-02-18   
904-231 9 Jacksonville FL   937C ONVOY, LLC - FL 45204   2024-02-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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