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: 945

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-945 A Haverhill MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-945 0 Haverhill MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-945 3 Haverhill MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-945 4 Haverhill MA   145J TERRA NOVA TELECOM INC. 128      
978-945 5 Haverhill MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-945 6 Haverhill MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-945 8 Haverhill MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-945 9 Haverhill MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.