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: STLSMOGZDS5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
730-254 9 Bluford IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2025-01-19   
730-265 1 Alton IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2026-05-17   
730-297 3 Collinsville IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2026-07-23   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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