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.

Switch: TLHUFLEB4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
448-220 A Tallahassee FL 732J NUSO, LLC 953      
448-220 1 Tallahassee FL 732J NUSO, LLC 953   2023-04-06   
448-230 1 Tallahassee FL 732J NUSO, LLC 953   2024-11-04   
850-900 4 Tallahassee FL 732J NUSO, LLC 953   2024-09-29   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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