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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-545 A Natick MA CHFRMAAHPS2  6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
508-545 0 Natick MA   318J COMCAST IP PHONE LLC 128      
508-545 1 Natick MA   318J COMCAST IP PHONE LLC 128      
508-545 2 Natick MA   318J COMCAST IP PHONE LLC 128      
508-545 3 Natick MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   
508-545 4 Natick MA WSBOMAGJCM0  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-03-01   
508-545 5 Natick MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2020-11-22   
508-545 6 Natick MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2009-07-15   
508-545 7 Natick MA   892D ONVOY, LLC - MA 128   2021-03-06   
508-545 8 Natick MA   318J COMCAST IP PHONE LLC 128   2013-04-10   
508-545 9 Natick MA   892D ONVOY, LLC - MA 128   2021-03-06   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.