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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-401 A Torrington WY 6010 NEW CINGULAR WIRELESS PCS, LLC 646      
307-409 A La Grange WY 6010 NEW CINGULAR WIRELESS PCS, LLC 646      
308-298 A Bushnell NE 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-316 A Potter NE 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-317 A Broadwater NE 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-347 A Dalton NE 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-376 A Oshkosh NE 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-562 A Scottsbluff NE 6010 NEW CINGULAR WIRELESS PCS, LLC 646      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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