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: MRBOMAFZDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-382 A Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 0 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 1 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 3 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 5 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 6 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 7 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 8 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-382 9 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-449 1 Marlboro MA 7135 TC SYSTEMS, INC. 128   2004-07-09   
508-449 2 Marlboro MA 7135 TC SYSTEMS, INC. 128   2004-07-09   
508-467 A Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-683 4 Marlboro MA 7135 TC SYSTEMS, INC. 128   2004-07-09   
508-683 5 Marlboro MA 7135 TC SYSTEMS, INC. 128   2004-07-09   
508-683 6 Marlboro MA 7135 TC SYSTEMS, INC. 128   2004-07-09   
508-804 A Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 0 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 1 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 2 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 3 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 4 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 8 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-804 9 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-903 A Natick MA 7135 TC SYSTEMS, INC. 128      
508-903 1 Natick MA 7135 TC SYSTEMS, INC. 128      
508-903 2 Natick MA 7135 TC SYSTEMS, INC. 128      
508-903 4 Natick MA 7135 TC SYSTEMS, INC. 128      
508-903 5 Natick MA 7135 TC SYSTEMS, INC. 128      
508-903 6 Natick MA 7135 TC SYSTEMS, INC. 128      
508-925 A Shrewsbury MA 7135 TC SYSTEMS, INC. 128      
508-925 1 Shrewsbury MA 7135 TC SYSTEMS, INC. 128      
508-925 3 Shrewsbury MA 7135 TC SYSTEMS, INC. 128      
508-926 A Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 0 Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 1 Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 2 Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 3 Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 4 Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 5 Worcester MA 7135 TC SYSTEMS, INC. 128      
508-926 6 Worcester MA 7135 TC SYSTEMS, INC. 128      
774-231 A Natick MA 7135 TC SYSTEMS, INC. 128      
774-231 7 Natick MA 7135 TC SYSTEMS, INC. 128   2013-12-23   
978-218 A Sudbury MA 7135 TC SYSTEMS, INC. 128      
978-218 5 Sudbury MA 7135 TC SYSTEMS, INC. 128      
978-226 A Tyngsboro MA 7135 TC SYSTEMS, INC. 128      
978-226 9 Tyngsboro MA 7135 TC SYSTEMS, INC. 128      
978-227 A Leominster MA 7135 TC SYSTEMS, INC. 128      
978-227 0 Leominster MA 7135 TC SYSTEMS, INC. 128      
978-241 A Haverhill MA 7135 TC SYSTEMS, INC. 128      
978-241 1 Haverhill MA 7135 TC SYSTEMS, INC. 128      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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