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: CSBYORXXIMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-999 5 Florence OR 5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2005-11-06   
541-999 6 Florence OR 5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2006-09-07   
541-999 7 Florence OR 5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670      
541-999 8 Florence OR 5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670      
541-999 9 Florence OR 5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670      

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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