Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 415

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-415 A Cheyenne WY CHYNWYJL8MD  732J NUSO, LLC 654      
307-415 1 Cheyenne WY CHYNWYJL8MD  732J NUSO, LLC 654   2023-04-24   
307-415 2 Cheyenne WY CHYNWYJL8MD  732J NUSO, LLC 654   2024-07-07   
307-415 3 Cheyenne WY CHYNWYJL8MD  732J NUSO, LLC 654   2024-07-07   
307-415 4 Cheyenne WY CHYNWYJL8MD  732J NUSO, LLC 654   2024-01-06   
307-415 5 Cheyenne WY CHYNWYJLAMD  732J NUSO, LLC 654   2024-12-01   
307-415 6 Cheyenne WY CHYNWYJL8MD  732J NUSO, LLC 654   2024-01-06   
307-415 7 Cheyenne WY CHYNWYJLAMD  732J NUSO, LLC 654   2024-12-01   
307-415 8 Cheyenne WY CHYNWYJLAMD  732J NUSO, LLC 654   2024-12-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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