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: NYCMNY37UMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
914-465 6 Westchester Zone 2 NY 321J HD CARRIER LLC 132   2014-08-01   
914-529 5 Westchester Zone 5 NY 321J HD CARRIER LLC 132   2014-08-01   
914-705 7 Westchester Zone 8 NY 321J HD CARRIER LLC 132   2014-08-01   
914-908 7 Westchester Zone 9 NY 321J HD CARRIER LLC 132   2014-08-01   
929-251 1 New York City Zone 12 NY 321J HD CARRIER LLC 132   2014-08-01   
929-270 1 New York City Zone 10 NY 321J HD CARRIER LLC 132   2014-08-01   
929-281 1 New York City Zone 04 NY 321J HD CARRIER LLC 132   2014-08-01   
929-314 8 New York City Zone 14 NY 321J HD CARRIER LLC 132   2014-08-01   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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