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: HNVIALUNXJY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-203 A Huntsville AL 508J CENTURYLINK COMMUNICATIONS, LLC 477      
256-203 7 Huntsville AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2013-08-01   
256-278 7 Athens AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-284 6 Florence AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-287 8 Hanceville AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-324 6 Russellville AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-333 7 Red Bay AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-410 7 Moulton AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-502 7 Hartselle AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-04-22   
256-573 7 Town Creek AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-576 7 Leighton AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-588 7 Killen AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-607 5 Rogersville AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-615 7 Cullman AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2013-12-26   
256-667 7 Lexington AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-669 7 Courtland AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-686 7 Decatur AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2013-11-30   
256-692 7 Huntsville AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2019-04-11   
256-724 4 Madison AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2013-11-30   
256-812 7 Gurley AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-813 7 Hazel Green AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-826 A Sheffield AL 508J CENTURYLINK COMMUNICATIONS, LLC 477      
256-826 7 Sheffield AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-09-04   
256-912 7 Scottsboro AL 508J CENTURYLINK COMMUNICATIONS, LLC 477   2013-10-11   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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