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: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-341 A Carlsbad NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2025-04-25   
575-341 0 Carlsbad NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2025-04-25   
575-341 1 Carlsbad NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2025-04-25   
575-341 6 Carlsbad NM   450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2026-10-26   
575-341 8 Carlsbad NM ALMGNMGM0MD  641H TDS BROADBAND SERVICE LLC 664   2025-11-02   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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