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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-550 A Roswell NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-550 0 Roswell NM   6010 NEW CINGULAR WIRELESS PCS, LLC 664   2021-04-19   
575-550 1 Roswell NM   206F ONVOY, LLC - NM 664   2023-08-11   
575-550 2 Roswell NM   197D VONAGE AMERICA LLC 664   2022-07-23   
575-550 3 Roswell NM   206F ONVOY, LLC - NM 664   2023-08-11   
575-550 4 Roswell NM   206F ONVOY, LLC - NM 664   2023-08-11   
575-550 5 Roswell NM   206F ONVOY, LLC - NM 664   2021-03-11   
575-550 6 Roswell NM   206F ONVOY, LLC - NM 664   2023-08-11   
575-550 7 Roswell NM   206F ONVOY, LLC - NM 664   2023-01-02   
575-550 8 Roswell NM   206F ONVOY, LLC - NM 664   2023-01-02   
575-550 9 Roswell NM   377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2022-02-03   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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