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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 419

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-419 A Osterville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-419 0 Osterville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-419 1 Osterville MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-419 2 Osterville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-419 3 Osterville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-419 4 Osterville MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
508-419 5 Osterville MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-419 6 Osterville MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-419 7 Osterville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-419 8 Osterville MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
508-419 9 Osterville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.