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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
448-450 A Youngstown-Fountain FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009      
448-450 0 Youngstown-Fountain FL PNCYFLMA00Z  939H COMMIO, LLC 45009   2023-10-28   
448-450 1 Youngstown-Fountain FL PNCYFLMA00Z  939H COMMIO, LLC 45009   2023-10-28   
448-450 2 Youngstown-Fountain FL PNCYFLMA00Z  939H COMMIO, LLC 45009   2023-10-28   
448-450 3 Youngstown-Fountain FL PNCYFLMA00Z  939H COMMIO, LLC 45009   2023-10-28   
448-450 4 Youngstown-Fountain FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2023-01-01   
448-450 5 Youngstown-Fountain FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2023-01-01   
448-450 6 Youngstown-Fountain FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2023-01-01   
448-450 7 Youngstown-Fountain FL PNCYFLMA22Z  624H ONVOY SPECTRUM, LLC 45009   2023-11-06   
448-450 9 Youngstown-Fountain FL PNCYFLMA00Z  939H COMMIO, LLC 45009   2023-10-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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