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: ALNAPAALXZX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
582-237 A South Fork PA 318J COMCAST IP PHONE, LLC 230      
582-238 A Nanty Glo PA 318J COMCAST IP PHONE, LLC 230      
814-348 A Everett PA 318J COMCAST IP PHONE, LLC 230      
814-477 A Marklesburg PA 318J COMCAST IP PHONE, LLC 230      
814-568 A Smethport PA 318J COMCAST IP PHONE, LLC 230      
814-595 A Charlesville PA 318J COMCAST IP PHONE, LLC 230      
814-639 A Port Matilda PA 318J COMCAST IP PHONE, LLC 230      
814-640 A Corsica PA 318J COMCAST IP PHONE, LLC 230      
814-660 A Altoona PA 318J COMCAST IP PHONE, LLC 230      
814-721 A Marklesburg PA 318J COMCAST IP PHONE, LLC 230      
814-751 A Sigel PA 318J COMCAST IP PHONE, LLC 230      
814-819 A McConnellstown PA 318J COMCAST IP PHONE, LLC 230      
814-901 A Rimersburg PA 318J COMCAST IP PHONE, LLC 230      
814-903 A Ridgway PA 318J COMCAST IP PHONE, LLC 230      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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