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

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-450 A Amherst MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-450 0 Amherst MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2021-12-31   
413-450 1 Amherst MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2021-12-31   
413-450 2 Amherst MA SPFDMAATAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2023-08-09   
413-450 8 Amherst MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2024-01-29   
413-450 9 Amherst MA   892D ONVOY, LLC - MA 126   2024-02-24   

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

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