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: HGPNNCXACM4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
743-837 0 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-07-11   
743-837 1 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-07-11   
743-837 2 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-07-11   
743-837 5 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-12-24   
743-837 6 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-12-24   
743-837 7 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-12-24   
743-837 8 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-12-24   
743-837 9 High Point NC 8645 SUNCOM DBA T-MOBILE USA 424   2021-07-11   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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