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: 351 [Rate centres in NPA 351] [Dial plan for NPA 351]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-600 A Peabody MA SOVLMAABAMD  965H FRACTEL, LLC 128      
351-600 0 Peabody MA SOVLMAABAMD  965H FRACTEL, LLC 128   2020-07-06   
351-600 1 Peabody MA NRTNMAAACM4  5562 METROPCS, INC. 128   2022-01-25   
351-600 2 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
351-600 3 Peabody MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-15   
351-600 4 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
351-600 5 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-09-11   
351-600 6 Peabody MA SOVLMAABAMD  965H FRACTEL, LLC 128   2020-07-06   
351-600 7 Peabody MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-12   
351-600 8 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
351-600 9 Peabody MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-29   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.