Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 814

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-814 A Sheffield AL   363D COMCAST PHONE OF ALABAMA, LLC - AL 477      
256-814 0 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-07-07   
256-814 1 Sheffield AL HNVIALUNX7Z  318J COMCAST IP PHONE LLC 477   2016-10-27   
256-814 2 Sheffield AL HNVIALUNXCZ  506J TWILIO INTERNATIONAL INC 477   2021-06-01   
256-814 4 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2018-03-30   
256-814 6 Sheffield AL HNVIALUNXHX  8271 TCG MIDSOUTH, INC. - AL 477   2019-08-30   
256-814 7 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-11   
256-814 8 Sheffield AL HNVIAL969MD  073H TELNYX LLC 477   2018-12-27   
256-814 9 Sheffield AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-11   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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