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.
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OCN: 3638 CBTS TECHNOLOGY SOLUTIONS LLC - IN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
812-220 1 West Harrison IN CNCNOHWSPS2  922   2012-10-18   
812-496 9 Lawrenceburg IN LRBGINXADMD  922   2014-09-29   
812-776 9 Peoria IN CNCNOHWSPS2  922   2012-11-11   

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

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