Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-657 A Brownsville OR EUGNOR144MD  145J TERRA NOVA TELECOM INC. 670      
541-657 0 Brownsville OR   145J TERRA NOVA TELECOM INC. 670   2022-04-08   
541-657 7 Brownsville OR MDFDORRJDS0  826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 670   2018-08-06   
541-657 8 Brownsville OR EUGNORAEGMD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2016-01-31   
541-657 9 Brownsville OR EUGNORAEGMD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2016-01-31   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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