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: ALTWPAAEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
484-397 A Allentown (Lehigh) PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-526 A Bethlehem PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228   2010-10-31   
484-637 A Fleetwood PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-765 A Allentown (Lehigh) PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-772 A Reading PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228   2010-03-28   
610-288 A Reading PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-289 A Allentown (Lehigh) PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-332 A Bethlehem PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-456 A Hellertown PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-465 A Catasauqua PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-571 A Bath PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-813 A Nazareth PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-851 A Northampton PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-978 A Slatington PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
610-991 A Easton PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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