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: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-591 A Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
508-591 0 Plymouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-591 1 Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
508-591 2 Plymouth MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128      
508-591 3 Plymouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-591 4 Plymouth MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-591 5 Plymouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-591 6 Plymouth MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-591 7 Plymouth MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-591 8 Plymouth MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-591 9 Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 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.