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: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-221 A Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-221 0 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 1 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 2 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 3 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 4 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 5 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 6 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 7 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 8 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   
346-221 9 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-03   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.