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.

Boston, MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-835 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-838 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-839 A NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-839 1 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 2 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 4 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-839 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-840 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-848 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 1 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 6 BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
617-848 7 BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
617-848 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 9 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-849 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-849 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-849 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-849 2 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-849 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-849 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-849 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-849 6 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-849 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-849 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-849 9 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-850 A BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 0 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 1 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-850 3 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 4 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 5 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-850 6 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 7 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 8 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-850 9 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-851 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-854 A BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 0 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
617-854 1 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 2 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 3 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 4 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 5 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 6 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 7 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 8 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-854 9 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-856 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 0 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 1 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 2 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 3 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 4 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 5 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 6 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-859 7 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 8 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-859 9 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-861 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-861 0   515J IP HORIZON LLC 128      
617-861 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-861 2   515J IP HORIZON LLC 128      
617-861 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-861 4   515J IP HORIZON LLC 128      
617-861 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-861 6   515J IP HORIZON LLC 128      
617-861 7 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-861 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-861 9   515J IP HORIZON LLC 128      
617-865 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 7 CMBRMABEEMD  116E INTRADO COMMUNICATIONS, LLC 128      
617-865 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-865 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-867 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-867 0 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-867 1 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-867 2 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-867 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-867 4 BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-867 5 NRTNMAAACM4  5562 METROPCS, INC. 128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.