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.

Westford, MA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-577 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-577 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-577 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-589 A WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 0 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 1 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-589 3 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 4 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 5 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 6 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 7 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-589 8 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-589 9 WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-692 A WSFRMADERP0  9102 VERIZON NEW ENGLAND INC. 128      
978-727 A LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-727 0 LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-727 1 LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-727 2 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-727 3 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-727 4 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-727 5 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-727 6 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-727 7 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-727 8 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-727 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-799 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-799 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-799 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-799 2 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-799 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-799 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-799 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-799 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-799 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-799 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-799 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-846 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-846 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-846 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-846 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
978-850 A SOVLMAABKMD  616J LEAP TELECOM, LLC 128      
978-850 0   515J IP HORIZON LLC 128      
978-850 1   515J IP HORIZON LLC 128      
978-850 2 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-850 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-850 4 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
978-850 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-850 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-850 8 SOVLMAABKMD  616J LEAP TELECOM, LLC 128      
978-850 9 SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128      
978-923 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-923 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-923 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-923 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-923 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-923 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-923 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-923 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-923 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-923 8   892D ONVOY, LLC - MA 128      
978-923 9 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.