Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BSTPMALLRMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-648 A Boston MA 8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-648 1 Boston MA 8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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