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: SPFDMAWOXYX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-395 1 Pittsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 126      
413-416 2 Amherst MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 126   2023-01-25   
413-463 A Springfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 126      
413-463 3 Springfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 126   2022-04-04   
413-466 3 Holyoke MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 126   2023-03-09   
413-479 6 Greenfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 126   2023-03-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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