Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 7135 TC SYSTEMS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
617-487 6 Brookline MA BSTNMACODS0  128      
617-488 A Boston MA BSTNMACODS0  128      
617-488 0 Boston MA BSTNMACODS0  128      
617-488 1 Boston MA BSTNMACODS0  128      
617-488 2 Boston MA BSTNMACODS0  128      
617-488 3 Boston MA BSTNMACODS0  128      
617-488 4 Boston MA BSTNMACODS0  128      
617-488 5 Boston MA BSTNMACODS0  128      
617-488 6 Boston MA BSTNMACODS0  128      
617-488 7 Boston MA BSTNMACODS0  128      
617-488 8 Boston MA BSTNMACODS0  128      
617-514 5 Dorchester MA BSTNMACODS2  128   2010-04-30   
617-528 A Cambridge MA CMBRMA01DS5  128      
617-528 1 Cambridge MA CMBRMA01DS5  128      
617-528 2 Cambridge MA CMBRMA01DS5  128      
617-528 3 Cambridge MA CMBRMA01DS5  128      
617-528 4 Cambridge MA CMBRMA01DS5  128      
617-528 5 Cambridge MA CMBRMA01DS5  128      
617-528 6 Cambridge MA CMBRMA01DS5  128      
617-528 7 Cambridge MA CMBRMA01DS5  128      
617-530 A Boston MA BSTNMACODS2  128      
617-530 2 Boston MA BSTNMACODS2  128      
617-530 4 Boston MA BSTNMACODS2  128      
617-530 5 Boston MA BSTNMACODS2  128      
617-530 6 Boston MA BSTNMACODS2  128      
617-530 7 Boston MA BSTNMACODS2  128      
617-530 8 Boston MA BSTNMACODS2  128      
617-530 9 Boston MA BSTNMACODS2  128      
617-544 4 Everett MA CMBRMA01DS5  128   2002-05-18   
617-563 A Boston MA BSTNMACODS0  128      
617-580 4 Charlestown MA BSTNMACODS2  128   2002-05-14   
617-598 A Boston MA BSTNMACODS0  128      
617-602 4 Roxbury MA BSTNMACODS2  128   2002-05-14   
617-612 A Watertown MA CMBRMA01DS5  128      
617-612 1 Watertown MA CMBRMA01DS5  128      
617-612 2 Watertown MA CMBRMA01DS5  128      
617-612 7 Watertown MA CMBRMA01DS5  128      
617-612 9 Watertown MA CMBRMA01DS5  128      
617-613 A Cambridge MA CMBRMA01DS5  128      
617-616 A Somerville MA CMBRMA01DS5  128      
617-616 1 Somerville MA CMBRMA01DS5  128      
617-616 4 Somerville MA CMBRMA01DS5  128      
617-616 6 Somerville MA CMBRMA01DS5  128      
617-616 7 Somerville MA CMBRMA01DS5  128      
617-646 A Boston MA BSTNMACODS0  128      
617-646 0 Boston MA BSTNMACODS0  128      
617-646 1 Boston MA BSTNMACODS0  128      
617-646 2 Boston MA BSTNMACODS0  128      
617-646 3 Boston MA BSTNMACODS0  128      
617-646 4 Boston MA BSTNMACODS0  128      

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

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