Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   2021-11-27   
339-345 1 Marblehead MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
339-345 2 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-12-06   
339-345 3 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-27   
339-345 4 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-27   
339-345 5 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-12-06   
339-345 6 Marblehead MA SOVLMAABAMD  965H FRACTEL, LLC 128   2021-10-09   
339-345 7 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-19   
339-345 8 Marblehead MA BSTPMALLOMD  073H TELNYX LLC 128   2023-01-13   
339-345 9 Marblehead MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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