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: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-556 A Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 0 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 1 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 2 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 3 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 4 Las Cruces NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-556 5 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 6 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 7 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 8 Las Cruces NM LSCRNMTSDS0  9636 QWEST CORPORATION 664      
575-556 9 Las Cruces NM ALBQNMMAXUY  318J COMCAST IP PHONE, LLC 664      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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