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: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-737 A Tooele UT SLKCUT26DMD  516J TON80 COMMUNICATIONS, LLC 660      
435-737 1 Tooele UT   515J IP HORIZON LLC 660   2022-04-09   
435-737 2 Tooele UT   073H TELNYX LLC 660   2023-01-23   
435-737 5 Tooele UT   3881 ALL WEST/UTAH, INC. 660   2022-12-27   
435-737 7 Tooele UT   516J TON80 COMMUNICATIONS, LLC 660   2022-03-31   
435-737 8 Tooele UT   939H COMMIO, LLC 660   2022-07-28   
435-737 9 Tooele UT   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2022-04-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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