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: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 367

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-367 A Louisville AL MTGMAL10X2X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 478      
334-367 0 Louisville AL   045L BHN IP ENABLED SERVICES, LLC 478   2021-05-22   
334-367 1 Louisville AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-01-22   
334-367 2 Louisville AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-01-22   
334-367 3 Louisville AL MTGMALMT78Z  829J PAETEC ITEL, LLC 478   2018-05-21   
334-367 4 Louisville AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2019-11-07   
334-367 5 Louisville AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2020-06-22   
334-367 6 Louisville AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2020-06-22   
334-367 7 Louisville AL MTGMALMTX9Z  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478   2013-09-13   
334-367 8 Louisville AL MTGMAL10X2X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 478      
334-367 9 Louisville AL MTGMAL10X2X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 478      

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.