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: 3370 CTC COMMUNICATIONS CORP. - MA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
508-656 3 Framingham MA   128      
617-340 0 Newton MA   128      
774-203 0 Attleboro MA   128      
774-354 1 Leicester MA   128      
774-354 2 Leicester MA   128      
774-354 3 Leicester MA   128      
774-354 5 Leicester MA   128      
774-354 6 Leicester MA   128      
774-354 7 Leicester MA   128      
774-354 8 Leicester MA   128      
774-354 9 Leicester MA   128      
774-799 1 Shrewsbury MA   128      
774-799 2 Shrewsbury MA   128      
774-799 3 Shrewsbury MA   128      
774-799 4 Shrewsbury MA   128      
774-799 5 Shrewsbury MA   128      
774-799 6 Shrewsbury MA   128      
774-799 7 Shrewsbury MA   128      
774-799 8 Shrewsbury MA   128      
774-799 9 Shrewsbury MA   128      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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