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: 939 [Rate centres in NPA 939] [Dial plan for NPA 939]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-252 A Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820      
939-252 0 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2008-11-21   
939-252 1 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2014-04-03   
939-252 2 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2014-04-03   
939-252 3 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2014-07-17   
939-252 4 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2014-07-17   
939-252 5 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2014-07-17   
939-252 6 Bayamón Sur PR SNJNPRZDG01  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 820   2016-02-14   
939-252 7 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2011-04-29   
939-252 9 Bayamón Sur PR GUYNPR335MD  073H TELNYX LLC 820   2022-11-24   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.