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.

Altoona, KS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
620-568 A ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 0 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 1 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 2 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 3 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 4 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 5 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 6 ALNAKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-568 7 WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      
620-568 8 WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-568 9   624H ONVOY SPECTRUM, LLC 532      
620-999 A WCHTKSTPUMD  145J TERRA NOVA TELECOM INC. 532      
620-999 0 WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-999 1 WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-999 9   145J TERRA NOVA TELECOM INC. 532      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.