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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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-656 A Montague MA   892D ONVOY, LLC - MA 126   2021-03-29   
413-656 0 Montague MA   073H TELNYX LLC 126   2021-03-30   
413-656 3 Montague MA   506J TWILIO INTERNATIONAL INC 126   2021-03-31   
413-656 4 Montague MA   566J RADIANTIQ LLC 126   2021-05-17   
413-656 5 Montague MA   892D ONVOY, LLC - MA 126   2021-03-29   
413-656 6 Montague MA   892D ONVOY, LLC - MA 126   2021-03-29   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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