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: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-284 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 0 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-284 1 Somerville MA CMBRMABEX9Y  0334 METROPOLITAN TELECOMMUNICATIONS OF MASS DBA METTEL 128      
617-284 2 Somerville MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-284 3 Somerville MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-284 4 Somerville MA SOVLMAAB3MD  197D VONAGE AMERICA LLC 128      
617-284 5 Somerville MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-284 6 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-284 7 Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 8 Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-284 9 Somerville MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.