Local Calling Guide

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Cambridge, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-250 9 CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-251 A WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128      
617-252 A CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 0 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 1 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 2 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 3 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 4 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 5 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 6 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 7 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-252 8 CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
617-252 9 CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-253 A CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-256 A WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128      
617-258 A CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-280 A WOBNMADWN23  174A NEP, LLC 128      
617-290 A WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128      
617-299 A CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-299 0 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
617-299 1 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
617-299 2 CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-299 3 CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-09-17   
617-299 4 CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-09-17   
617-299 5 CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-09-17   
617-299 6 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
617-299 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-28   
617-299 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-28   
617-299 9 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
617-300 A FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 0 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-21   
617-300 1 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 2 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 3 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 4 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 5 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 6 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-300 7   624H ONVOY SPECTRUM, LLC 128   2021-02-23   
617-300 8 CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2006-12-14   
617-300 9 FRMNMAWAUMD  7421 AT&T LOCAL 128      
617-301 A CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-301 0 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-09-12   
617-301 1 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-09-12   
617-301 2 CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-09-12   
617-301 3 WOBNMACGCMD  6664 SPRINT SPECTRUM L.P. 128   2004-12-16   
617-301 4 BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2004-11-15   
617-301 5 CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-11-27   
617-301 6 CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128   2004-11-27   
617-301 7 BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2006-03-08   
617-301 8 BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2006-03-15   

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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