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.

Morley, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-207 A CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-207 2   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-08-19   
319-489 A MRLYIAXO489  1264 OLIN TEL. CO., INC. 635      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.