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: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-977 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-977 0 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-977 1 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 2 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 3 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 4 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 5 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 6 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 7 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 8 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-15   
313-977 9 Detroit Zone 5 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2006-11-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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