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: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-704 A Wilmington DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-17   
302-704 8 Wilmington DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-17   
302-704 9 Wilmington DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-17   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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