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.

Switch: BSTNMACODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-217 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-217 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-217 2 Boston MA 7135 TC SYSTEMS, INC. 128      
617-217 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-217 5 Boston MA 7135 TC SYSTEMS, INC. 128      
617-217 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-217 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-316 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-385 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-392 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-476 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-487 A Brookline MA 7135 TC SYSTEMS, INC. 128      
617-487 0 Brookline MA 7135 TC SYSTEMS, INC. 128      
617-487 6 Brookline MA 7135 TC SYSTEMS, INC. 128      
617-488 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 2 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 5 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-488 8 Boston MA 7135 TC SYSTEMS, INC. 128      
617-563 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-598 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 2 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 5 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-646 8 Boston MA 7135 TC SYSTEMS, INC. 128      
617-672 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 5 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 8 Boston MA 7135 TC SYSTEMS, INC. 128      
617-692 9 Boston MA 7135 TC SYSTEMS, INC. 128      
617-747 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 2 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 5 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 8 Boston MA 7135 TC SYSTEMS, INC. 128      
617-824 9 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-850 8 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 2 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 5 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-880 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-912 A Boston MA 7135 TC SYSTEMS, INC. 128      
781-375 A Dedham MA 7135 TC SYSTEMS, INC. 128      
781-375 0 Dedham MA 7135 TC SYSTEMS, INC. 128      
857-221 4 Boston MA 7135 TC SYSTEMS, INC. 128      
857-338 A Boston MA 7135 TC SYSTEMS, INC. 128      
857-338 8 Boston MA 7135 TC SYSTEMS, INC. 128      
857-338 9 Boston MA 7135 TC SYSTEMS, INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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