Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 430H MRSTWN UT COMM DBA MRSTWN UT SYS FIBERNET - TN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-616 A Morristown TN MRTWTNCKDS0  474      
423-616 0 Morristown TN MRTWTNCKDS0  474   2014-10-17   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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