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.

Switch: SPFDMABRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-203 7 Easthampton MA 7421 AT&T LOCAL 126   2008-05-29   
413-231 A Springfield MA 7421 AT&T LOCAL 126      
413-231 1 Springfield MA 7421 AT&T LOCAL 126      
413-231 5 Springfield MA 7421 AT&T LOCAL 126      
413-231 9 Springfield MA 7421 AT&T LOCAL 126      
413-242 0 Pittsfield MA 7421 AT&T LOCAL 126   2002-02-26   
413-277 4 Ware MA 7421 AT&T LOCAL 126   2007-09-20   
413-315 2 Holyoke MA 7421 AT&T LOCAL 126   2002-11-25   
413-356 A Chicopee MA 7421 AT&T LOCAL 126      
413-356 9 Chicopee MA 7421 AT&T LOCAL 126      
413-398 6 North Adams MA 7421 AT&T LOCAL 126   2002-03-18   
413-475 A Greenfield MA 7421 AT&T LOCAL 126      
413-475 9 Greenfield MA 7421 AT&T LOCAL 126      
413-486 2 East Longmeadow MA 7421 AT&T LOCAL 126   2001-11-19   
413-729 5 Westfield MA 7421 AT&T LOCAL 126   2005-07-11   
413-835 2 Amherst MA 7421 AT&T LOCAL 126   2008-04-05   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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