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: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-640 A Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 0 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 1 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 2 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 3 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 4 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 5 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 6 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 7 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 8 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-640 9 Cheyenne WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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