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
617-778 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-11-01   
617-778 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-08-10   
617-780 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-784 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-785 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-785 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-11-15   
617-785 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-26   
617-785 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-26   
617-785 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-26   
617-785 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-03   
617-785 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-03   
617-785 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-03   
617-785 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-03   
617-785 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-13   
617-785 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-13   
617-788 A BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-790 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-794 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-799 A NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-799 1 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 2 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 4 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-799 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-807 A CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-807 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-12   
617-807 1 CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2010-07-08   
617-807 2 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 3 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 4 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 5 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 6 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 7 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 8 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-807 9 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2010-08-09   
617-814 A CMBRMABE01T  9102 VERIZON NEW ENGLAND INC. 128      
617-816 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-818 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-820 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-820 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 5 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-10-29   
617-820 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-820 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-11-04   
617-820 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-10-30   
617-823 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-824 A BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 0 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
617-824 1 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 2 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 3 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 4 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 5 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 6 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 7 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 8 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-824 9 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-828 A NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 0 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-828 2 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 4 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-828 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-830 A CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-830 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-05-05   
617-830 1 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
617-830 6 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 8   892D ONVOY, LLC - MA 128   2005-05-05   
617-830 9   892D ONVOY, LLC - MA 128   2005-05-05   
617-832 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 0 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 1 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 2 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 3 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 4 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-08-09   
617-832 6 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 7 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 8 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-832 9 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-834 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 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: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.