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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-271 A Philadelphia Suburban Zone 29 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-276 A Philadelphia Suburban Zone 31 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-290 A Philadelphia Suburban Zone 30 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-312 A Philadelphia Suburban Zone 30 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-448 A Philadelphia Suburban Zone 28 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-492 A Philadelphia Suburban Zone 22 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-523 A Philadelphia Suburban Zone 25 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-572 A Philadelphia Suburban Zone 21 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-601 A Chester Springs PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-602 A Philadelphia Suburban Zone 24 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-605 A Philadelphia Suburban Zone 13 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-612 A Kennett Square PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-615 A Center Point PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-616 A Philadelphia Suburban Zone 14 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-624 A Philadelphia Suburban Zone 17 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-707 A Philadelphia Suburban Zone 22 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-708 A Mendenhall PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-744 A Philadelphia Suburban Zone 12 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-808 A Philadelphia Suburban Zone 10 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-897 A Philadelphia Suburban Zone 31 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-968 A Exton PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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