Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 781

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-781 A Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-01   
313-781 0 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-10   
313-781 1 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-10   
313-781 2 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-10   
313-781 3 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-05   
313-781 4 Detroit Zone 6 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2024-12-02   
313-781 5 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-01   
313-781 6 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-01   
313-781 7 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-01   
313-781 8 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-01   
313-781 9 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-12-01   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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