Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-837 A Azalea OR AZALORXARS0  3401 ZIPLY FIBER OREGON, LLC DBA ZIPLY FIBER 670      
541-837 0 Azalea OR   3401 ZIPLY FIBER OREGON, LLC DBA ZIPLY FIBER 670      
541-837 1 Azalea OR   750E ONVOY, LLC - OR 670   2017-05-29   
541-837 2 Azalea OR   750E ONVOY, LLC - OR 670   2019-09-20   
541-837 3 Azalea OR   3401 ZIPLY FIBER OREGON, LLC DBA ZIPLY FIBER 670      
541-837 4 Azalea OR   750E ONVOY, LLC - OR 670   2019-09-20   
541-837 5 Azalea OR   826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 670   2018-08-06   
541-837 6 Azalea OR   750E ONVOY, LLC - OR 670   2015-03-19   
541-837 7 Azalea OR   508J CENTURYLINK COMMUNICATIONS LLC 670   2014-09-13   
541-837 8 Azalea OR   3401 ZIPLY FIBER OREGON, LLC DBA ZIPLY FIBER 670      
541-837 9 Azalea OR   073H TELNYX LLC 670   2020-06-25   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.