Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 448 [Rate centres in NPA 448] [Dial plan for NPA 448]

NXX: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
448-428 A Quincy FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45011      
448-428 0 Quincy FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45011   2023-08-28   
448-428 4 Quincy FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45011   2023-05-11   
448-428 5 Quincy FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45011   2023-05-11   
448-428 6 Quincy FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45011   2023-05-11   
448-428 7 Quincy FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45011   2023-05-11   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.