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: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-446 A Hereford-Unity OR UNTYOR03DS0  2389 OREGON TEL. CORP. 672      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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