Local Calling Guide

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-257 A South Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-257 0 South Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-257 8 South Boston MA   892D ONVOY, LLC - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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