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: CSPRWYDNFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-240 A Riverton WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-251 A Casper WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-258 A Casper WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-259 A Casper WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-262 A Casper WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-277 A Casper WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-340 A Lusk WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-342 A Jackson WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-349 A Lander WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-359 A Douglas WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-438 A Lander WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-441 A Casper WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-690 A Jackson WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-699 A Jackson WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-840 A Riverton WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-851 A Riverton WY 6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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