Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 4536 XO MASSACHUSETS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
774-443 0 Worcester MA   128      
774-443 1 Worcester MA   128      
774-443 2 Worcester MA   128      
774-443 3 Worcester MA   128      
774-443 4 Worcester MA   128      
774-443 5 Worcester MA   128      
774-443 6 Worcester MA   128      
774-443 7 Worcester MA   128      
774-443 8 Worcester MA   128      
774-443 9 Worcester MA   128      
774-768 2 Siasconset MA BSTPMALLDS1  128      
781-709 5 Hanover MA BSTPMALLDS1  128      
781-948 A Norwood MA BSTPMALLDS1  128      
781-948 0 Norwood MA   128      
781-948 1 Norwood MA BSTPMALLDS1  128      
781-948 4 Norwood MA BSTPMALLDS1  128      
781-948 9 Norwood MA BSTPMALLDS1  128      

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

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