Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 4536 XO MASSACHUSETS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
781-948 A Norwood MA BSTPMALLDS1  128      
781-948 0 Norwood MA   128   2024-02-29   
781-948 1 Norwood MA   128      
781-948 4 Norwood MA   128      
781-948 9 Norwood MA   128      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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