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: CSDLMSMAXMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
662-483 A Clarksdale MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
662-483 9 Clarksdale MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      

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

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