Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 947 [Rate centres in NPA 947] [Dial plan for NPA 947]

NXX: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-285 A Birmingham MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-02-23   
947-285 0 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 1 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 2 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 3 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 4 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 5 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 6 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 7 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 8 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 9 Birmingham MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-02-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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