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: PITBPAIW0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-251 A Pittsburgh Zone 1 PA 318J COMCAST IP PHONE, LLC 234      
412-275 A Pittsburgh Suburban Zone 14 PA 318J COMCAST IP PHONE, LLC 234      
412-301 A Pittsburgh Zone 2 PA 318J COMCAST IP PHONE, LLC 234      
412-458 A Pittsburgh Zone 7 PA 318J COMCAST IP PHONE, LLC 234      
412-646 A Pittsburgh Suburban Zone 22 PA 318J COMCAST IP PHONE, LLC 234      
412-668 A Pittsburgh Zone 6 PA 318J COMCAST IP PHONE, LLC 234      
412-932 A Pittsburgh Zone 1 PA 318J COMCAST IP PHONE, LLC 234      
724-200 A Enon Valley PA 318J COMCAST IP PHONE, LLC 234      
724-236 A Leechburg PA 318J COMCAST IP PHONE, LLC 234      
724-392 A Harrison City PA 318J COMCAST IP PHONE, LLC 234      
724-394 A Youngwood PA 318J COMCAST IP PHONE, LLC 234      
724-691 A Greensburg PA 318J COMCAST IP PHONE, LLC 234      
724-702 A Saltsburg PA 318J COMCAST IP PHONE, LLC 234      
724-750 A Emlenton PA 318J COMCAST IP PHONE, LLC 234      
724-792 A West Alexander PA 318J COMCAST IP PHONE, LLC 234      
724-828 A Midway (Washington) PA 318J COMCAST IP PHONE, LLC 234      
878-207 A Rochester PA 318J COMCAST IP PHONE, LLC 234      
878-219 A Farmington PA 318J COMCAST IP PHONE, LLC 234      
878-239 A Zelienople PA 318J COMCAST IP PHONE, LLC 234      
878-246 A Claysville PA 318J COMCAST IP PHONE, LLC 234      
878-260 A Curtisville PA 318J COMCAST IP PHONE, LLC 234      
878-272 A Springdale PA 318J COMCAST IP PHONE, LLC 234      
878-273 A Homer City PA 318J COMCAST IP PHONE, LLC 234      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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