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: IRTNPAXIDS2

Remotes:

Switch Switch name Switch type
ALTWPADTRS0  ALLENTOWN  RDE 
BATHPA01RS0  BATH  RDE 
BGTNPA01RS0  BRIDGETON  RDE 
BHLHPA08RS0  BETHLEHEM  RDE 
BSKNPA01RS0  BUSHKILL (NORTHAMPTON)  RDE 
EMMSPA01RS0  EMMAUS  RDE 
FRKSPA01RS0  FORKS  RDE 
FUTNPA01RS0  FULLERTON  RDE 
HLTWPA01RS0  HELLERTOWN  RDE 
HVTPPA01RS0  HANOVER TOWNSHIP (NORTHAM  RDE 
LYNNPA01RS0  LYNN  RDE 
NFFSPA01RS0  NEFFS  DLM 
NKTPPA01RS0  NOCKAMIXON (TWP)  RDE 
RGVLPA01RS0  RIEGELSVILLE  RDE 
SFTBPA01RS0  SPRINGFIELD TOWNSHIP BUCK  RDE 
USCNPA01RS0  UPPER SAUCON  RDE 
WSBGPA01RS0  WEISENBERG  RDE 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-452 4 Bangor PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-452 5 Bangor PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-452 6 Bangor PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-452 7 Bangor PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-452 8 Bangor PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-471 8 Philadelphia Suburban Zone 11 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-06   
610-480 0 Philadelphia Suburban Zone 12 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-06   
610-535 1 Philadelphia Suburban Zone 26 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-07   
610-545 8 Philadelphia Suburban Zone 10 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-06   
610-553 1 Philadelphia Suburban Zone 17 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-07   
610-556 A Uhlerstown PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-556 6 Uhlerstown PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2008-08-02   
610-625 A Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 0 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 2 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 3 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 4 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 5 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 6 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 7 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 8 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-625 9 Bethlehem PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-652 A Sassamansville PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-652 3 Sassamansville PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2007-06-21   
610-654 A Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 0 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 1 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 2 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 3 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 4 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 5 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 6 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 7 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-654 8 Pen Argyl PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-665 0 Philadelphia Suburban Zone 29 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-24   
610-674 4 Allentown (Lehigh) PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2012-11-11   
610-697 A Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 0 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 1 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 2 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 3 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 4 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 5 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 6 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 7 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-697 8 Northampton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-702 3 Bally PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2007-06-21   
610-707 0 Philadelphia Suburban Zone 22 PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2003-02-07   
610-748 A Hellertown PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-748 0 Hellertown PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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