Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-587 A South Bend IN   824J OPENTACT INC. 332   2026-08-31   
574-587 0 South Bend IN   824J OPENTACT INC. 332   2026-08-31   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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