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: HDLBMSMAXMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-343 A Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 1 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 2 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 3 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 4 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 5 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 6 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 7 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 8 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-343 9 Heidelberg MS 4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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