Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Arlington, OR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
541-454 A ARTNORXARS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-454 0   4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-454 1   750E ONVOY, LLC - OR 672   2021-04-04   
541-454 2   4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-454 3   4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-454 4   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2023-03-08   
541-454 5   4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-454 6   4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
541-454 7   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2013-06-07   
541-454 8   508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-12-09   
541-454 9   750E ONVOY, LLC - OR 672   2018-11-10   
541-455 A THDLORXADS1  9231 AXXIS COMMUNICATION, INC. - OR 672      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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