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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-306 A Roswell NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664      
575-306 0 Roswell NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2025-12-06   
575-306 1 Roswell NM   6529 T-MOBILE USA, INC. 664   2026-09-02   
575-306 2 Roswell NM   6529 T-MOBILE USA, INC. 664   2026-09-02   
575-306 3 Roswell NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664   2024-01-05   
575-306 4 Roswell NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664   2024-01-05   
575-306 5 Roswell NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664   2024-01-05   
575-306 7 Roswell NM   6529 T-MOBILE USA, INC. 664   2026-09-02   
575-306 8 Roswell NM   6529 T-MOBILE USA, INC. 664   2026-09-02   
575-306 9 Roswell NM ALBQNMMAXQX  6010 NEW CINGULAR WIRELESS PCS, LLC 664   2023-10-28   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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