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.

Ayer, MA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-391 A   829J PAETEC ITEL, LLC 128      
978-391 0   829J PAETEC ITEL, LLC 128      
978-391 1 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
978-391 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-391 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-02-10   
978-391 4 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-391 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-05-22   
978-391 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-391 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-04-29   
978-391 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-428 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-428 9 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
978-487 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-487 0 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-487 1   829J PAETEC ITEL, LLC 128   2002-09-29   
978-487 2 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-487 3   829J PAETEC ITEL, LLC 128   2005-05-20   
978-487 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-487 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-487 7 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-11-25   
978-487 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-487 9   145J TERRA NOVA TELECOM INC. 128   2025-02-13   
978-588 A AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-588 0 BSTPMALLOMD  073H TELNYX LLC 128   2017-04-28   
978-588 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-23   
978-588 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-23   
978-588 3 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128   2016-07-31   
978-588 4 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128   2016-07-31   
978-588 5 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128   2016-07-31   
978-588 6 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128   2016-07-31   
978-588 7 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128   2016-07-31   
978-588 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-23   
978-588 9 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-615 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-615 0 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
978-615 1 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-08-31   
978-615 2   145J TERRA NOVA TELECOM INC. 128   2023-11-16   
978-615 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-05-16   
978-615 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-615 5   829J PAETEC ITEL, LLC 128   2006-10-30   
978-615 6 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-05-15   
978-615 7 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-02-01   
978-615 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
978-615 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-10-21   
978-757 A   829J PAETEC ITEL, LLC 128      
978-757 0 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-757 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
978-757 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2002-03-04   
978-757 5 SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-01   
978-757 6   829J PAETEC ITEL, LLC 128      
978-757 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
978-757 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-757 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-01   
978-772 A AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-784 A AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-784 1 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-784 2 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-784 3 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-784 4   145J TERRA NOVA TELECOM INC. 128   2023-02-16   
978-784 5   829J PAETEC ITEL, LLC 128      
978-784 7 LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2010-01-15   
978-784 8 SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-03-19   
978-784 9 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-796 A AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-796 0 SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2024-06-13   
978-796 1 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-796 2 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-796 3 AYERMAPLDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-796 4 SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-05-24   
978-796 5 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-04-13   
978-796 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-07   
978-796 7 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-01-15   
978-796 8   515J IP HORIZON LLC 128   2015-10-26   
978-796 9   515J IP HORIZON LLC 128   2016-07-01   
978-862 A   829J PAETEC ITEL, LLC 128      
978-862 0   829J PAETEC ITEL, LLC 128      
978-862 1   829J PAETEC ITEL, LLC 128      
978-862 2   829J PAETEC ITEL, LLC 128      
978-862 3   829J PAETEC ITEL, LLC 128      
978-862 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-07   
978-862 5   829J PAETEC ITEL, LLC 128   2013-08-15   
978-862 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-23   
978-862 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-23   
978-862 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-862 9   829J PAETEC ITEL, LLC 128      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.