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.

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

NXX: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-475 A Greenfield MA SPFDMAWOXXY  7135 TC SYSTEMS, INC. 126      
413-475 0 Greenfield MA SPFDMAWOCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126      
413-475 1 Greenfield MA SPFDMA70DS0  745B CROCKER TELECOMMUNICATIONS, LLC - MA 126      
413-475 2 Greenfield MA SPFDMAWOCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126      
413-475 3 Greenfield MA SPFDMAPM4MD  318J COMCAST IP PHONE, LLC 126      
413-475 4 Greenfield MA SPFDMAWOCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126      
413-475 5 Greenfield MA SPFDMAWOXCY  5562 METROPCS, INC. 126      
413-475 6 Greenfield MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-475 7 Greenfield MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      
413-475 8 Greenfield MA SPFDMAWOXCY  6889 OMNIPOINT MIAMI E LICENSE, LLC 126      
413-475 9 Greenfield MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.