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: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-378 A Amesbury MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
978-378 0 Amesbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-378 1 Amesbury MA LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-378 2 Amesbury MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
978-378 3 Amesbury MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-378 4 Amesbury MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-378 5 Amesbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-378 6 Amesbury MA   145J TERRA NOVA TELECOM INC. 128      
978-378 7 Amesbury MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
978-378 9 Amesbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.