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: CDRRIAAX7MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-547 8 Cresco IA 6529 T-MOBILE USA, INC. 635   2005-03-10   
563-608 7 Manchester IA 6529 T-MOBILE USA, INC. 635   2005-08-29   
563-608 8 Manchester IA 6529 T-MOBILE USA, INC. 635   2005-08-29   
563-822 2 Manchester IA 6529 T-MOBILE USA, INC. 635   2018-04-09   
563-822 3 Manchester IA 6529 T-MOBILE USA, INC. 635   2018-04-09   
563-822 4 Manchester IA 5562 METROPCS, INC. 635   2018-07-03   
563-837 0 Fredericksburg IA 6529 T-MOBILE USA, INC. 635   2024-08-15   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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