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.

OCN: 835C INTRADO COMMUNICATIONS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
215-372 A Philadelphia Zone 1 PA PHLAPAMKOMD  228      
215-372 0 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2015-02-13   
215-372 9 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2015-02-13   
267-541 1 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2017-09-30   
267-865 0 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2019-11-24   
267-865 1 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2019-11-24   
267-865 7 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2019-11-24   
267-865 8 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2019-11-24   
267-865 9 Philadelphia Zone 1 PA PHLAPAMKOMD  228   2019-11-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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