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: 539

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-539 A Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 0 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 1 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 2 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
541-539 3 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
541-539 4 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
541-539 5 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 6 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670      
541-539 7 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 8 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 9 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.