Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
617-648 A Boston MA BSTPMALLRMD  128      
617-648 1 Boston MA BSTPMALLRMD  128      

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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