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.

NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-995 A Ludlow MA   829J PAETEC ITEL, LLC 126      
413-997 A Pittsfield MA RCMDMAXADS1  3849 RINGSQUARED TELECOM LLC 126      
413-998 A Southwick MA   829J PAETEC ITEL, LLC 126      

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Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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