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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Switch: SBNDIN01X7Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
574-357 A Culver IN 478J NUSO, LLC 332      
574-357 1 Culver IN 478J NUSO, LLC 332   2020-11-26   
574-357 3 Culver IN 478J NUSO, LLC 332   2023-12-29   
574-357 7 Culver IN 478J NUSO, LLC 332   2023-12-29   

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

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