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
508-920 A XXXXXXXXXXX  9102 VERIZON NEW ENGLAND INC. 128      
508-931 A CMBRMABE02T  9102 VERIZON NEW ENGLAND INC. 128      
617-204 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-205 A FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
617-210 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 0 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 1 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 2 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-18   
617-210 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-08-19   
617-210 4 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 5 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 6 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 7 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 8 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-210 9 BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-212 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
617-212 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-212 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-217 A BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 0 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 1 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
617-217 2 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 3 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 4 WSBOMAGOAMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2014-08-06   
617-217 5 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 6 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 7 BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-217 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-11-30   
617-217 9 BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2005-05-30   
617-222 A BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-11-30   
617-222 1 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 2 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 3 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 4 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 5 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 6 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 7 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 8 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-222 9 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 A BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 0 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-12-02   
617-223 2 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 3 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 4 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 5 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2020-07-23   
617-223 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-01-07   
617-223 8 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-223 9 BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-224 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 1 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-224 2 NRTNMAAACM4  5562 METROPCS, INC. 128   2003-04-08   
617-224 3 NRTNMAAACM4  5562 METROPCS, INC. 128   2003-04-08   
617-224 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 6 NRTNMAAACM4  5562 METROPCS, INC. 128   2003-05-28   
617-224 7 NRTNMAAACM4  5562 METROPCS, INC. 128   2003-05-28   
617-224 8 NRTNMAAACM4  5562 METROPCS, INC. 128   2003-05-28   
617-224 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-08-10   
617-226 A CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 0 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 1 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 2 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 3 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 4 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 5 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 6 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-25   
617-226 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-25   
617-226 9 CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
617-227 A BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-228 A BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-235 A BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-236 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-239 A FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 0 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 1 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-09-11   
617-239 2 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 3 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 4 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2020-07-23   
617-239 6 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 7 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 8 FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-239 9   145J TERRA NOVA TELECOM INC. 128   2021-10-27   
617-246 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-247 A BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-248 A BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-255 A BSTNMAHADS9  9102 VERIZON NEW ENGLAND 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: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.