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.
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Switch: CLEVOH62XQZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
440-737 A Trumbull OH 508J CENTURYLINK COMMUNICATIONS, LLC 320      
440-737 7 Trumbull OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2015-09-28   
440-742 7 Willoughby OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2013-12-03   
440-791 6 Grafton OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2014-07-18   
440-828 7 Wellington OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2014-07-18   
440-837 A Dorset OH 508J CENTURYLINK COMMUNICATIONS, LLC 320      
440-837 7 Dorset OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2015-09-28   
440-961 7 Avon Lake OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2013-12-19   
440-963 3 Vermilion OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2013-11-22   
440-968 7 Montville OH 508J CENTURYLINK COMMUNICATIONS, LLC 320   2015-08-28   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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