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: 339 [Rate centres in NPA 339] [Dial plan for NPA 339]

NXX: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-345 A Marblehead MA SOVLMAABAMD  965H FRACTEL, LLC 128      
339-345 0 Marblehead MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
339-345 1 Marblehead MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
339-345 2 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-345 3 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-345 4 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-345 5 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-345 6 Marblehead MA SOVLMAABAMD  965H FRACTEL, LLC 128      
339-345 7 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-345 8 Marblehead MA BSTPMALLOMD  073H TELNYX LLC 128      
339-345 9 Marblehead 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.