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: 930 [Rate centres in NPA 930] [Dial plan for NPA 930]

NXX: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
930-289 A Brazil IN TRRIINCN5MD  478J NUSO, LLC 938   2025-01-17   
930-289 1 Brazil IN TRRIINCN5MD  478J NUSO, LLC 938   2025-01-17   
930-289 9 Brazil IN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 938   2026-03-03   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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