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.

Topsfield, MA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-213 A TPFDMACERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-213 0 LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-213 1   892D ONVOY, LLC - MA 128      
978-213 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-213 3 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
978-213 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-213 7 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
978-213 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-213 9 TPFDMACERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-359 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 3   145J TERRA NOVA TELECOM INC. 128      
978-359 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-561 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-561 1 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-561 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-561 3 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-561 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-561 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-561 8   145J TERRA NOVA TELECOM INC. 128      
978-561 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-647 A LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-647 0 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-647 1 LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-647 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-647 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-647 4 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
978-647 5 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-647 6 LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-647 7 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-647 8   515J IP HORIZON LLC 128      
978-647 9   515J IP HORIZON LLC 128      
978-861 A BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
978-861 0 BSTPMALLOMD  073H TELNYX LLC 128      
978-861 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-861 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-861 4 BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
978-861 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-861 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
978-887 A TPFDMACERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-953 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-953 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-953 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-953 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-953 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-953 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-953 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-953 7 SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
978-953 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
978-986 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-986 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-986 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-986 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-986 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-986 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-986 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-986 7 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
978-986 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
978-986 9 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      

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.