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: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-942 A Jamaica Plain MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-942 0 Jamaica Plain MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-942 1 Jamaica Plain MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-942 2 Jamaica Plain MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-942 3 Jamaica Plain MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-942 4 Jamaica Plain MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-942 5 Jamaica Plain MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-942 6 Jamaica Plain MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-942 7 Jamaica Plain MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-942 8 Jamaica Plain MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-942 9 Jamaica Plain MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.