Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-326 A Dorchester MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-326 0 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-326 1 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-326 2 Dorchester MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
617-326 3 Dorchester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
617-326 4 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128      
617-326 5 Dorchester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-06-16   
617-326 6 Dorchester MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2012-10-05   
617-326 7 Dorchester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-05   
617-326 8 Dorchester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-01   
617-326 9 Dorchester MA   4536 XO MASSACHUSETTS, INC. 128   2005-07-22   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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