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: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-750 A Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-07-06   
313-750 0 Detroit Zone 4 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2024-11-20   
313-750 1 Detroit Zone 4 MI SFLDMIMKEMD  490J BOOST SUBSCRIBERCO L.L.C. 340   2024-08-29   
313-750 3 Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-07-06   
313-750 4 Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-07-06   
313-750 5 Detroit Zone 4 MI   490J BOOST SUBSCRIBERCO L.L.C. 340   2025-07-21   
313-750 6 Detroit Zone 4 MI   490J BOOST SUBSCRIBERCO L.L.C. 340   2025-10-18   
313-750 7 Detroit Zone 4 MI   490J BOOST SUBSCRIBERCO L.L.C. 340   2025-12-17   
313-750 8 Detroit Zone 4 MI   490J BOOST SUBSCRIBERCO L.L.C. 340   2025-12-17   
313-750 9 Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-07-06   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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