Local Calling Guide

Area code/prefix search

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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-661 A Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-661 0 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-06-03   
313-661 1 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-06-03   
313-661 2 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-06-03   
313-661 3 Detroit Zone 3 MI LIVNMIUX8MD  197D VONAGE AMERICA LLC 340   2022-07-09   
313-661 4 Detroit Zone 3 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-06-11   
313-661 5 Detroit Zone 3 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-06-11   
313-661 6 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-25   
313-661 7 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-24   
313-661 8 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-24   
313-661 9 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-04-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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