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
326-202 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
326-216 A Springfield OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
513-649 A Middletown OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-215 A Springfield OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-231 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-232 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-238 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-239 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-266 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-286 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-344 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-430 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      
937-654 A Dayton OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328      

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

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