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: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-209 A Acton MA BSTPMALLWMD  114J EXIANT COMMUNICATIONS LLC 128      
351-209 0 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2019-07-02   
351-209 1 Acton MA BSTPMALLWMD  114J EXIANT COMMUNICATIONS LLC 128   2019-04-14   
351-209 2 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-03-13   
351-209 3 Acton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2020-07-06   
351-209 4 Acton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2020-07-06   
351-209 5 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-08-22   
351-209 6 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-09-24   
351-209 7 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-09-24   
351-209 8 Acton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2020-02-21   
351-209 9 Acton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-07-26   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.