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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 505 [Rate centres in NPA 505] [Dial plan for NPA 505]

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-556 A Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 0 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 1 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 2 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 3 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 4 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 5 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 6 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 7 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 8 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
505-556 9 Farmington NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.