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: WRCSMA02DS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
781-566 6 Marshfield MA 7135 TC SYSTEMS, INC. 128   2012-11-19   
781-728 7 Lincoln MA 7135 TC SYSTEMS, INC. 128   2012-11-26   
781-936 7 Kingston MA 7135 TC SYSTEMS, INC. 128   2012-11-19   
857-342 6 Hyde Park MA 7135 TC SYSTEMS, INC. 128   2012-11-19   
857-816 6 Winthrop MA 7135 TC SYSTEMS, INC. 128   2012-12-03   

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

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