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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
448-203 A Madison FL TLHSFLXAXTY  073H TELNYX LLC 953      
448-203 0 Madison FL TLHSFLXAXTY  073H TELNYX LLC 953   2022-02-10   
448-203 1 Madison FL TLHSFLXAX0Z  624H ONVOY SPECTRUM, LLC 953   2022-08-05   
448-203 2 Madison FL TLHSFLXAXQX  937C ONVOY, LLC - FL 953   2022-08-05   
448-203 3 Madison FL TLHSFLXAXQX  937C ONVOY, LLC - FL 953   2023-09-11   
448-203 5 Madison FL TLHSFLXAX0Z  624H ONVOY SPECTRUM, LLC 953   2023-11-06   
448-203 6 Madison FL TLHSFLXAX0Z  624H ONVOY SPECTRUM, LLC 953   2023-11-06   
448-203 7 Madison FL TLHSFLXAX0Z  624H ONVOY SPECTRUM, LLC 953   2023-11-06   
448-203 8 Madison FL   515J IP HORIZON LLC 953   2022-10-10   
448-203 9 Madison FL   515J IP HORIZON LLC 953   2022-10-10   

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

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