Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 448 [Rate centres in NPA 448] [Dial plan for NPA 448]

NXX: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
448-446 A Gretna FL   624H ONVOY SPECTRUM, LLC 45011   2025-06-20   
448-446 1 Gretna FL   793K TWC IP ENABLED SERVICES, LLC 45011   2025-06-23   
448-446 4 Gretna FL   624H ONVOY SPECTRUM, LLC 45011   2025-06-20   
448-446 5 Gretna FL   624H ONVOY SPECTRUM, LLC 45011   2025-06-20   
448-446 6 Gretna FL   624H ONVOY SPECTRUM, LLC 45011   2025-06-20   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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