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.
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Switch: BGVLPABRRP1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-220 A Pittsburgh Suburban Zone 13 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-221 A Pittsburgh Suburban Zone 13 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-257 A Pittsburgh Suburban Zone 13 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-914 A Pittsburgh Suburban Zone 13 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-914 0 Pittsburgh Suburban Zone 13 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-914 2 Pittsburgh Suburban Zone 13 PA 9208 VERIZON PENNSYLVANIA, INC. 234      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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