Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 208 [Rate centres in NPA 208] [Dial plan for NPA 208]

NXX: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
208-357 A Idaho Falls ID SHLYIDMARS1  9636 QWEST CORPORATION 652      
208-357 0 Idaho Falls ID   9636 QWEST CORPORATION 652      
208-357 1 Idaho Falls ID   9636 QWEST CORPORATION 652      
208-357 2 Idaho Falls ID   9636 QWEST CORPORATION 652      
208-357 3 Idaho Falls ID   9636 QWEST CORPORATION 652      
208-357 4 Idaho Falls ID   7558 LEVEL 3 COMMUNICATIONS, LLC - ID 652   2007-11-15   
208-357 5 Idaho Falls ID   9636 QWEST CORPORATION 652      
208-357 6 Idaho Falls ID   6529 T-MOBILE USA, INC. 652   2007-03-09   
208-357 7 Idaho Falls ID   9636 QWEST CORPORATION 652      
208-357 8 Idaho Falls ID   6529 T-MOBILE USA, INC. 652   2007-01-11   
208-357 9 Idaho Falls ID   689F ONVOY, LLC - ID 652   2012-09-26   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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