Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Catherine, AL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
334-225 A CTHRALXARS0  4464 FRONTIER COMMUNICATIONS OF THE SOUTH, LLC - AL 478      
334-594 A MTGMALMTX9Z  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478      
334-594 0   624H ONVOY SPECTRUM, LLC 478   2023-06-26   
334-594 2   604E ONVOY, LLC - AL 478   2021-07-30   
334-594 3   604E ONVOY, LLC - AL 478   2021-03-15   
334-594 4   604E ONVOY, LLC - AL 478   2019-08-25   
334-594 7   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478   2018-02-01   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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