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.

Whitinsville, MA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-234 A WHVLMAPARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-266 A WHVLMAPARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-266 0 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2004-06-25   
508-266 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2010-08-20   
508-266 2 WHVLMAPARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-266 3   145J TERRA NOVA TELECOM INC. 128   2023-08-06   
508-266 4 SOVLMAABDMD  490J BOOST SUBSCRIBERCO L.L.C. 128   2023-12-01   
508-266 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
508-266 6   829J PAETEC ITEL, LLC 128   2004-09-30   
508-266 7 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2013-09-15   
508-266 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
508-266 9 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
508-372 A   829J PAETEC ITEL, LLC 128      
508-372 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-372 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-01-02   
508-372 3   829J PAETEC ITEL, LLC 128   2012-06-07   
508-372 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
508-372 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-01-02   
508-372 6   829J PAETEC ITEL, LLC 128      
508-372 7   829J PAETEC ITEL, LLC 128   2007-04-12   
508-372 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-30   
508-372 9 OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2007-01-20   
508-714 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-714 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-11   
508-714 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-07-22   
508-714 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-23   
508-714 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-27   
508-714 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-714 6 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-01-17   
508-714 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-05   
508-714 8 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-01-17   
508-714 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-06-12   
774-246 A   829J PAETEC ITEL, LLC 128      
774-246 0   829J PAETEC ITEL, LLC 128      
774-246 1   829J PAETEC ITEL, LLC 128      
774-246 2   829J PAETEC ITEL, LLC 128      
774-246 3   829J PAETEC ITEL, LLC 128      
774-246 4   829J PAETEC ITEL, LLC 128      
774-246 5   829J PAETEC ITEL, LLC 128      
774-246 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2001-11-19   
774-246 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
774-246 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-14   
774-246 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-02-09   
774-477 A NRTNMAAACM4  5562 METROPCS, INC. 128      
774-477 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-04-05   
774-477 1 NRTNMAAACM4  5562 METROPCS, INC. 128   2021-06-12   
774-477 2 NRTNMAAACM4  5562 METROPCS, INC. 128   2021-05-01   
774-477 3 NRTNMAAACM4  5562 METROPCS, INC. 128   2021-05-01   
774-477 4 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-30   
774-477 5 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-15   

1 2 >>

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.