Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 MNCHIAXO2MD  593K MCC TELEPHONY LLC 635      
319-408 0 Lisbon IA   073H TELNYX LLC 635   2020-05-28   
319-408 1 Lisbon IA   593K MCC TELEPHONY LLC 635   2010-05-07   
319-408 2 Lisbon IA   444G AUREON COMMUNICATIONS, LLC 635   2019-09-17   
319-408 4 Lisbon IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-11   
319-408 5 Lisbon IA   221F ONVOY, LLC - IA 635   2021-04-24   
319-408 6 Lisbon IA   221F ONVOY, LLC - IA 635   2021-04-24   
319-408 7 Lisbon IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-13   
319-408 8 Lisbon IA   221F ONVOY, LLC - IA 635   2020-06-26   
319-408 9 Lisbon IA   624H ONVOY SPECTRUM, LLC 635   2024-03-22   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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