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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-237 A Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-237 0 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2021-04-27   
575-237 1 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2021-04-27   
575-237 2 Carlsbad NM ALBQNMMAXPY  624H ONVOY SPECTRUM, LLC 664   2025-01-24   
575-237 3 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2021-04-27   
575-237 4 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2020-12-20   
575-237 5 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2020-02-14   
575-237 6 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2020-08-31   
575-237 7 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2020-08-31   
575-237 8 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2020-12-20   
575-237 9 Carlsbad NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2021-04-27   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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