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.

Merrimac, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
351-222 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-222 0 BSTPMALLOMD  073H TELNYX LLC 128   2019-12-11   
351-222 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-222 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-10   
351-222 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-12-10   
351-222 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-222 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-222 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-222 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-222 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-222 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-02-26   
351-529 A SOVLMAABAMD  965H FRACTEL, LLC 128      
351-529 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-01-06   
351-529 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
351-529 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
351-529 3 SOVLMAABAMD  965H FRACTEL, LLC 128   2020-07-06   
351-529 4 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-11   
351-529 5 BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
351-529 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-07   
351-529 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-07   
351-529 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-07   
351-529 9 SOVLMAABAMD  965H FRACTEL, LLC 128   2020-07-06   
351-888 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-888 0   515J IP HORIZON LLC 128   2015-10-18   
351-888 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
351-888 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
351-888 3 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2015-09-13   
351-888 4 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-888 5 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-888 6 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-888 7 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-888 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-30   
351-888 9 CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
978-346 A MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-346 0 MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-346 1 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
978-346 2   145J TERRA NOVA TELECOM INC. 128   2024-02-03   
978-346 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-18   
978-346 4 MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-346 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-10   
978-346 6 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-11-17   
978-346 7 MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-346 8 MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-346 9 MRMCMACERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-384 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-384 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-384 1 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-26   
978-384 2 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-384 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-03   
978-384 4 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-03-04   

1 2 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.