Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-400 A Lindrith NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-400 0 Lindrith NM   145J TERRA NOVA TELECOM INC. 664   2025-07-10   
575-400 1 Lindrith NM   206F ONVOY, LLC - NM 664   2021-03-05   
575-400 2 Lindrith NM   206F ONVOY, LLC - NM 664   2019-10-31   
575-400 3 Lindrith NM   206F ONVOY, LLC - NM 664   2020-10-19   
575-400 4 Lindrith NM   206F ONVOY, LLC - NM 664   2018-06-13   
575-400 5 Lindrith NM   206F ONVOY, LLC - NM 664   2020-03-07   
575-400 6 Lindrith NM   206F ONVOY, LLC - NM 664   2020-10-19   
575-400 7 Lindrith NM   5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2018-06-14   
575-400 8 Lindrith NM   206F ONVOY, LLC - NM 664   2021-03-05   
575-400 9 Lindrith NM   624H ONVOY SPECTRUM, LLC 664   2025-01-22   

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

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