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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NPA: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 410

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-410 A Leesburg IN SBNDIN01X4Y  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 332   2025-06-05   
574-410 0 Leesburg IN SBNDIN01X4Y  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 332   2025-06-05   

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

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