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.

La Porte City, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-342 A LPCYIAXODS0  1220 LA PORTE CITY TEL. CO. 635      
319-495 A   593K MCC TELEPHONY LLC 635      
319-495 1 MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-495 5 CDRRIAAXUMD  5562 METROPCS, INC. 635      
319-495 7   6529 T-MOBILE USA, INC. 635      
319-495 8   593K MCC TELEPHONY LLC 635      
319-495 9   6529 T-MOBILE USA, INC. 635      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.