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.

Switch: ALBQNMMAXUY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
505-200 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-361 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-393 A White Rock NM 318J COMCAST IP PHONE, LLC 664      
505-508 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-582 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-588 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-597 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-636 A Aztec NM 318J COMCAST IP PHONE, LLC 664      
505-639 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
505-916 A Albuquerque NM 318J COMCAST IP PHONE, LLC 664      
575-222 A Las Cruces NM 318J COMCAST IP PHONE, LLC 664      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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