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: PHLAPAFGXHX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
484-967 0 Glenmoore PA 939H COMMIO, LLC 228   2023-09-28   
484-967 1 Glenmoore PA 939H COMMIO, LLC 228   2023-09-28   
484-967 2 Glenmoore PA 939H COMMIO, LLC 228   2023-09-28   
484-967 3 Glenmoore PA 939H COMMIO, LLC 228   2023-09-28   
484-967 9 Glenmoore PA 939H COMMIO, LLC 228   2023-09-28   
610-236 6 Reading PA 939H COMMIO, LLC 228   2021-08-29   
610-236 7 Reading PA 939H COMMIO, LLC 228   2021-08-29   
610-484 2 Reading PA 939H COMMIO, LLC 228   2021-08-29   
610-757 9 Philadelphia Suburban Zone 30 PA 939H COMMIO, LLC 228   2022-08-27   
835-205 0 Allentown (Lehigh) PA 939H COMMIO, LLC 228   2022-12-09   
835-205 1 Allentown (Lehigh) PA 939H COMMIO, LLC 228   2022-12-09   
835-205 2 Allentown (Lehigh) PA 939H COMMIO, LLC 228   2022-12-09   
835-209 A Easton PA 939H COMMIO, LLC 228      
835-209 0 Easton PA 939H COMMIO, LLC 228   2023-01-21   
835-209 1 Easton PA 939H COMMIO, LLC 228   2023-01-21   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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