Local Calling Guide

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NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-321 A Auburn MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-321 0 Auburn MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-11-28   
774-321 1 Auburn MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
774-321 2 Auburn MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
774-321 3 Auburn MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2011-03-15   
774-321 4 Auburn MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-11-28   
774-321 5 Auburn MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-11-28   
774-321 6 Auburn MA OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2012-03-30   
774-321 7 Auburn MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
774-321 8 Auburn MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
774-321 9 Auburn MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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