Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-328 A Heber City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2024-07-26   
435-328 1 Heber City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2024-12-15   
435-328 2 Heber City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2024-12-15   
435-328 3 Heber City UT   6529 T-MOBILE USA, INC. 660   2025-09-27   
435-328 4 Heber City UT   6529 T-MOBILE USA, INC. 660   2025-04-05   
435-328 5 Heber City UT   6529 T-MOBILE USA, INC. 660   2025-06-14   
435-328 6 Heber City UT   6529 T-MOBILE USA, INC. 660   2025-06-14   
435-328 7 Heber City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2024-09-06   
435-328 8 Heber City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2024-09-06   
435-328 9 Heber City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2024-07-26   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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