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.

Switch: BMBGPABLBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
272-214 A Clarks Summit PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 232      
570-308 A Muncy PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 232      
570-317 A Bloomsburg PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 232      
570-335 A Scranton PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 232      
570-397 A Jermyn PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 232      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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