Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-638 A Housatonic MA SPFDMAXLCMD  4673 CHOICE ONE COMMUNICATIONS, INC. - MA 126      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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