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.

Belmont, MA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
857-341 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-341 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-373 A CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 0 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 1 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 2 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 3 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 4 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 5 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 6 CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
857-373 7   145J TERRA NOVA TELECOM INC. 128      
857-373 8   515J IP HORIZON LLC 128      
857-373 9   5562 METROPCS, INC. 128      
857-394 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-394 0 BSTNMACO1MD  073H TELNYX LLC 128      
857-394 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-394 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-394 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-394 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-394 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-394 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-394 7 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
857-394 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
857-394 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-550 A SOVLMAAB6MD  939H COMMIO, LLC 128      
857-550 0 SOVLMAAB6MD  939H COMMIO, LLC 128      
857-550 1 SOVLMAAB6MD  939H COMMIO, LLC 128      
857-550 2 SOVLMAAB6MD  939H COMMIO, LLC 128      
857-550 3 SOVLMAAB6MD  939H COMMIO, LLC 128      
857-550 4 SOVLMAAB6MD  939H COMMIO, LLC 128      
857-550 5   490J DISH WIRELESS, LLC 128      
857-550 6   490J DISH WIRELESS, LLC 128      
857-550 8   892D ONVOY, LLC - MA 128      
857-626 A CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-626 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-626 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-626 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-626 3 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-626 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-626 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-626 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-626 7 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-626 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-626 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 0 SOVLMAAB3MD  197D VONAGE AMERICA LLC 128      
857-678 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-678 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128      

<< 1 2

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.