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: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-408 A Lisbon IA   593K MCC TELEPHONY LLC 635      
319-408 0 Lisbon IA CDRRIADTX3X  073H TELNYX LLC 635      
319-408 1 Lisbon IA   593K MCC TELEPHONY LLC 635      
319-408 2 Lisbon IA DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 635      
319-408 4 Lisbon IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-408 5 Lisbon IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-408 6 Lisbon IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-408 7 Lisbon IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635      
319-408 8 Lisbon IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-408 9 Lisbon IA   624H ONVOY SPECTRUM, LLC 635      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.