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: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-334 A Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-334 0 Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-334 1 Gardner MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-05-24   
978-334 2 Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-334 3 Gardner MA   145J TERRA NOVA TELECOM INC. 128   2020-11-20   
978-334 4 Gardner MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-12-28   
978-334 5 Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-334 6 Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-334 7 Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-334 8 Gardner MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.