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.

Rockland, MA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
781-351 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-10-30   
781-351 6 BRTNMACRLMD  5562 METROPCS, INC. 128      
781-351 7 BRTNMACRLMD  5562 METROPCS, INC. 128      
781-351 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-05-12   
781-351 9 BRTNMACRLMD  5562 METROPCS, INC. 128      
781-384 A SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
781-384 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
781-384 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
781-384 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
781-384 3 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
781-384 4 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
781-384 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-21   
781-384 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-21   
781-384 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
781-384 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-384 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
781-421 A BSTPMALLYMD  515J IP HORIZON LLC 128   2025-04-18   
781-421 0 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
781-421 1 BSTPMALLYMD  515J IP HORIZON LLC 128   2015-03-26   
781-421 2 BRTNMACOX4X  829J PAETEC ITEL, LLC 128   2004-10-31   
781-421 3 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2010-03-19   
781-421 4 SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2026-05-25   
781-421 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-04-08   
781-421 6 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-11-10   
781-421 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-09-25   
781-421 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-09-02   
781-421 9   515J IP HORIZON LLC 128   2016-07-01   
781-423 A BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
781-423 0 BSTPMALLOMD  073H TELNYX LLC 128   2017-04-26   
781-423 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
781-423 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-09-25   
781-423 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-19   
781-423 5 BRTNMACOXAX  829J PAETEC ITEL, LLC 128   2015-05-28   
781-423 6 BRTNMACOX2X  829J PAETEC ITEL, LLC 128   2017-06-08   
781-423 7 BRTNMACOX2X  829J PAETEC ITEL, LLC 128   2018-04-09   
781-423 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
781-423 9 BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
781-448 A BSTPMALLX1X  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-448 0 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 1 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 2 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 3 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 4 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 5 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 6 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 7 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-448 8 BSTPMALLX1X  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-448 9 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
781-610 A BRTNMACOX4X  829J PAETEC ITEL, LLC 128      
781-610 0 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   

<< 1 2 3 4 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.