Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 274 [Rate centres in NPA 274] [Dial plan for NPA 274]

NXX: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
274-201 A New London WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2024-12-27   
274-201 0 New London WI   6529 T-MOBILE USA, INC. 350   2025-06-14   
274-201 1 New London WI   6529 T-MOBILE USA, INC. 350   2025-06-14   
274-201 2 New London WI   6529 T-MOBILE USA, INC. 350   2025-08-16   
274-201 3 New London WI   6529 T-MOBILE USA, INC. 350   2025-08-16   
274-201 4 New London WI   225C ONVOY, LLC - WI 350   2025-10-26   
274-201 7 New London WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2024-12-27   
274-201 8 New London WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2024-12-27   
274-201 9 New London WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2024-12-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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