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: 598H FRIENDS ASSOCIATES LIMITED

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
784-510 A Kingstown ZF SWCHZFUNKNO  830      
784-512 A Kingstown ZF SWCHZFUNKNO  830      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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