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      
508-449 2 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-467 A Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-683 4 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-683 5 Marlboro MA 7135 TC SYSTEMS, INC. 128      
508-683 6 Marlboro MA 7135 TC SYSTEMS, INC. 128      
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      
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      
978-241 3 Haverhill MA 7135 TC SYSTEMS, INC. 128      
978-303 6 Westford MA 7135 TC SYSTEMS, INC. 128      
978-310 A Hudson MA 7135 TC SYSTEMS, INC. 128      
978-310 8 Hudson MA 7135 TC SYSTEMS, INC. 128      
978-313 A Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 0 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 1 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 2 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 3 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 6 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 7 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-313 8 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-320 2 Westford MA 7135 TC SYSTEMS, INC. 128      
978-326 A Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 0 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 1 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 2 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 3 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 4 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 5 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-326 6 Peabody MA 7135 TC SYSTEMS, INC. 128      
978-328 A Lowell MA 7135 TC SYSTEMS, INC. 128      
978-328 1 Lowell MA 7135 TC SYSTEMS, INC. 128      
978-358 A Newburyport MA 7135 TC SYSTEMS, INC. 128      
978-358 2 Newburyport MA 7135 TC SYSTEMS, INC. 128      
978-384 A Merrimac MA 7135 TC SYSTEMS, INC. 128      
978-384 9 Merrimac MA 7135 TC SYSTEMS, INC. 128      
978-402 A Concord MA 7135 TC SYSTEMS, INC. 128      
978-402 0 Concord MA 7135 TC SYSTEMS, INC. 128      
978-402 1 Concord MA 7135 TC SYSTEMS, INC. 128      
978-402 2 Concord MA 7135 TC SYSTEMS, INC. 128      
978-402 3 Concord MA 7135 TC SYSTEMS, INC. 128      
978-424 A Fitchburg MA 7135 TC SYSTEMS, INC. 128      
978-424 0 Fitchburg MA 7135 TC SYSTEMS, INC. 128      
978-424 2 Fitchburg MA 7135 TC SYSTEMS, INC. 128      
978-424 9 Fitchburg MA 7135 TC SYSTEMS, INC. 128      
978-435 6 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-487 A Ayer MA 7135 TC SYSTEMS, INC. 128      
978-487 2 Ayer MA 7135 TC SYSTEMS, INC. 128      
978-490 2 Westford MA 7135 TC SYSTEMS, INC. 128      
978-495 4 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-495 8 Billerica MA 7135 TC SYSTEMS, INC. 128      
978-498 A Salem MA 7135 TC SYSTEMS, INC. 128      
978-498 0 Salem MA 7135 TC SYSTEMS, INC. 128      
978-523 A Townsend MA 7135 TC SYSTEMS, INC. 128      
978-523 9 Townsend MA 7135 TC SYSTEMS, INC. 128      
978-539 A Danvers MA 7135 TC SYSTEMS, INC. 128      
978-539 0 Danvers MA 7135 TC SYSTEMS, INC. 128      
978-539 3 Danvers MA 7135 TC SYSTEMS, INC. 128      
978-552 A Lawrence MA 7135 TC SYSTEMS, INC. 128      

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

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