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: RONKVALKY0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-475 A Narrows VA 425J CSC WIRELESS, LLC 244      
540-475 0 Narrows VA 425J CSC WIRELESS, LLC 244   2019-07-04   
540-475 2 Narrows VA 425J CSC WIRELESS, LLC 244   2019-04-18   
540-787 8 Pearisburg VA 425J CSC WIRELESS, LLC 244   2019-06-01   
540-787 9 Pearisburg VA 425J CSC WIRELESS, LLC 244   2019-06-28   

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

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