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: 267 [Rate centres in NPA 267] [Dial plan for NPA 267]

NXX: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
267-553 A Philadelphia Suburban Zone 42 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228      
267-553 0 Philadelphia Suburban Zone 42 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-04   
267-553 2 Philadelphia Suburban Zone 42 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-08-14   
267-553 3 Philadelphia Suburban Zone 42 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-08-14   
267-553 4 Philadelphia Suburban Zone 42 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-08-14   
267-553 5 Philadelphia Suburban Zone 42 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-08-14   
267-553 6 Philadelphia Suburban Zone 42 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-08-14   
267-553 8 Philadelphia Suburban Zone 42 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   
267-553 9 Philadelphia Suburban Zone 42 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-25   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.