Local Calling Guide

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Chelsea, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-270 A NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 0 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 1 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 2   145J TERRA NOVA TELECOM INC. 128   2022-08-30   
617-270 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 4 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-270 9   145J TERRA NOVA TELECOM INC. 128   2023-11-14   
617-336 A   829J PAETEC ITEL, LLC 128      
617-336 0   829J PAETEC ITEL, LLC 128      
617-336 1   829J PAETEC ITEL, LLC 128      
617-336 2   829J PAETEC ITEL, LLC 128      
617-336 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-03   
617-336 4   829J PAETEC ITEL, LLC 128      
617-336 5   829J PAETEC ITEL, LLC 128      
617-336 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-06   
617-336 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-03   
617-336 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-10-08   
617-336 9   829J PAETEC ITEL, LLC 128      
617-370 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-370 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-370 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-08   
617-370 2   829J PAETEC ITEL, LLC 128   2002-10-13   
617-370 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-27   
617-370 4   829J PAETEC ITEL, LLC 128   2004-02-23   
617-370 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
617-370 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-370 7   515J IP HORIZON LLC 128   2013-04-08   
617-370 8 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
617-370 9   515J IP HORIZON LLC 128   2016-06-26   
617-409 A   829J PAETEC ITEL, LLC 128      
617-409 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-01   
617-409 1   829J PAETEC ITEL, LLC 128      
617-409 2 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-29   
617-409 3   829J PAETEC ITEL, LLC 128      
617-409 4 CMBRMA01DS5  7135 TC SYSTEMS, INC. 128   2002-05-18   
617-409 5 CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-11-27   
617-409 6 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-12   
617-409 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-12   
617-409 8 LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2009-06-08   
617-409 9 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2008-09-11   
617-461 A NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 0 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 1 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 2 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 3 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 4 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 5 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 6 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 7 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 8 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-461 9 NRTNMAAACM4  5562 METROPCS, INC. 128      
617-466 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-466 0 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-466 1 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-466 2 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-466 3 CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2009-01-15   
617-466 4   829J PAETEC ITEL, LLC 128   2007-01-08   
617-466 5   829J PAETEC ITEL, LLC 128   2007-01-08   
617-466 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-02   
617-466 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   
617-466 8 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2019-05-10   
617-466 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
617-660 A CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-819 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-819 0 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-24   
617-819 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
617-819 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-06   
617-819 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-819 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-19   
617-819 5 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-11-15   
617-819 6 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-08   
617-819 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
617-819 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
617-819 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-884 A CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-887 A CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-889 A CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-958 A   892D ONVOY, LLC - MA 128      
617-958 0 BSTPMALLOMD  073H TELNYX LLC 128   2021-03-04   
617-958 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
617-958 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-21   
617-958 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
617-958 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
617-958 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-03-25   
617-958 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-03-25   
617-958 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-03-25   
617-958 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-03-25   
617-958 9   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-323 A CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
857-323 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-21   
857-323 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-323 2 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
857-323 3 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
857-323 4 SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2015-12-31   
857-323 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-10   
857-323 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-10   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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