Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: OLWNIA051MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-410 3 Oelwein IA 6529 T-MOBILE USA, INC. 635   2022-07-08   
319-410 4 Oelwein IA 6529 T-MOBILE USA, INC. 635   2022-07-08   
319-509 A Oelwein IA 6529 T-MOBILE USA, INC. 635      

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

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