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: SPFDMAOI0MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-942 3 Colrain MA 939H COMMIO, LLC 126   2023-11-18   
413-942 4 Colrain MA 939H COMMIO, LLC 126   2023-11-18   
413-942 5 Colrain MA 939H COMMIO, LLC 126   2023-11-18   
413-946 0 Hinsdale MA 939H COMMIO, LLC 126   2023-11-18   
413-946 1 Hinsdale MA 939H COMMIO, LLC 126   2023-11-18   
413-946 2 Hinsdale MA 939H COMMIO, LLC 126   2023-11-18   
413-946 8 Hinsdale MA 939H COMMIO, LLC 126   2023-11-18   
413-946 9 Hinsdale MA 939H COMMIO, LLC 126   2023-11-18   

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

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