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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-277 A Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
351-277 0 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-277 1 Lawrence MA   515J IP HORIZON LLC 128      
351-277 2 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-277 3 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-277 4 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-277 5 Lawrence MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
351-277 6 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-277 7 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
351-277 8 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-277 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.