Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Detroit Zone 5, MI

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-497 9   991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-04-01   
313-498 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-500 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-500 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-10-29   
313-500 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-10-29   
313-500 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-10-29   
313-500 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-10-29   
313-500 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-10-29   
313-500 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2023-08-17   
313-500 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-11-03   
313-500 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-11-03   
313-500 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-11-03   
313-500 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-11-03   
313-503 A CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-505 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-506 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-507 A SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
313-508 A SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
313-510 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-515 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-516 A LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-516 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-518 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-518 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-09-29   
313-518 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-07-15   
313-518 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-07-15   
313-518 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-07-15   
313-518 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-07-15   
313-518 5   543C ONVOY, LLCV - MI 340   2018-01-05   
313-518 6   543C ONVOY, LLCV - MI 340   2018-01-05   
313-518 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-07-15   
313-518 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-09-29   
313-518 9   5562 METROPCS, INC. 340   2020-08-16   
313-520 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-530 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-531 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-532 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-533 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-534 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-535 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-537 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-538 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-539 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-539 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-539 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-05-09   
313-539 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-539 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-539 4   045L BHN IP ENABLED SERVICES, LLC 340   2013-04-25   
313-539 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-539 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-05-09   
313-539 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-539 8   543C ONVOY, LLCV - MI 340   2011-01-08   
313-539 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-541 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-542 A SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-542 0   991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-06-10   
313-542 1   991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-06-10   
313-542 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2021-06-11   
313-542 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-02-24   
313-542 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-02-24   
313-542 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-02-24   
313-542 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-09-29   
313-542 7   624H ONVOY SPECTRUM, LLC 340   2021-06-13   
313-542 8   495J STRATUS NETWORKS 340   2021-06-11   
313-542 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2022-02-24   
313-543 A DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-543 0   9323 MICHIGAN BELL TEL CO 340      
313-543 1   9323 MICHIGAN BELL TEL CO 340      
313-543 2   9323 MICHIGAN BELL TEL CO 340      
313-543 3   961J WOW! INTERNET, CABLE AND PHONE 340   2013-09-19   
313-543 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-20   
313-543 5   829J PAETEC ITEL, LLC 340   2006-05-05   
313-543 6   9323 MICHIGAN BELL TEL CO 340      
313-543 7   9323 MICHIGAN BELL TEL CO 340      
313-543 8   2550 123.NET, LLC 340   2008-03-13   
313-543 9   9323 MICHIGAN BELL TEL CO 340      
313-547 A SFLDMIMKDMD  321J HD CARRIER LLC 340      
313-547 0   939H COMMIO, LLC 340   2021-08-29   
313-547 1   939H COMMIO, LLC 340   2021-08-29   
313-547 2   939H COMMIO, LLC 340   2021-08-29   
313-547 3   939H COMMIO, LLC 340   2021-08-29   
313-547 4   543C ONVOY, LLCV - MI 340   2021-07-25   
313-547 5   543C ONVOY, LLCV - MI 340   2021-07-25   
313-547 6   543C ONVOY, LLCV - MI 340   2021-07-25   
313-547 7   543C ONVOY, LLCV - MI 340   2021-07-25   
313-547 8   939H COMMIO, LLC 340   2021-08-29   
313-547 9   321J HD CARRIER LLC 340   2021-07-24   
313-549 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-550 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-559 A   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-559 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2004-08-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 >>

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.