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.

Plymouth, MI

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
734-637 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-637 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-656 A FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
734-656 0   829J PAETEC ITEL, LLC 340      
734-656 1   829J PAETEC ITEL, LLC 340      
734-656 2   829J PAETEC ITEL, LLC 340      
734-656 3   829J PAETEC ITEL, LLC 340      
734-656 4   829J PAETEC ITEL, LLC 340      
734-656 5   829J PAETEC ITEL, LLC 340      
734-656 6   829J PAETEC ITEL, LLC 340      
734-656 7   543C ONVOY, LLCV - MI 340   2023-07-31   
734-656 8   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-09-19   
734-656 9   829J PAETEC ITEL, LLC 340      
734-667 A WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
734-667 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-667 1   318J COMCAST IP PHONE, LLC 340      
734-667 2   318J COMCAST IP PHONE, LLC 340      
734-667 3   318J COMCAST IP PHONE, LLC 340      
734-667 4   318J COMCAST IP PHONE, LLC 340      
734-667 5   318J COMCAST IP PHONE, LLC 340      
734-667 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-667 7   829J PAETEC ITEL, LLC 340   2007-06-08   
734-667 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-667 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-737 A PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 0   9323 MICHIGAN BELL TEL CO 340      
734-737 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-12-13   
734-737 2   9323 MICHIGAN BELL TEL CO 340      
734-737 4   9323 MICHIGAN BELL TEL CO 340      
734-737 5   9323 MICHIGAN BELL TEL CO 340      
734-737 6   939H COMMIO, LLC 340   2021-10-14   
734-737 7   624H ONVOY SPECTRUM, LLC 340   2022-02-21   
734-737 8   9323 MICHIGAN BELL TEL CO 340      
734-737 9   9323 MICHIGAN BELL TEL CO 340      
734-738 A SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-738 0   2550 123.NET, LLC 340   2006-04-26   
734-738 1   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-738 2   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-738 3   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-738 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-738 5   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-738 6   318J COMCAST IP PHONE, LLC 340   2013-07-31   
734-738 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-738 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-738 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-781 A DTRTMIBADS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-781 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-781 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-781 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-781 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-781 4   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-781 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-08-13   
734-781 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-781 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-781 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-781 9   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-844 A WAYNMINWDS0  9323 MICHIGAN BELL TEL CO 340      
734-844 0   9323 MICHIGAN BELL TEL CO 340      
734-844 1   9323 MICHIGAN BELL TEL CO 340      
734-844 2   9323 MICHIGAN BELL TEL CO 340      
734-844 3   9323 MICHIGAN BELL TEL CO 340      
734-844 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2014-07-13   
734-844 5   9323 MICHIGAN BELL TEL CO 340      
734-844 6   9323 MICHIGAN BELL TEL CO 340      
734-844 7   9323 MICHIGAN BELL TEL CO 340      
734-844 8   9323 MICHIGAN BELL TEL CO 340      
734-844 9   9323 MICHIGAN BELL TEL CO 340      
734-862 A   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-862 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-862 1   145J TERRA NOVA TELECOM INC. 340   2021-09-24   
734-862 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-862 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-862 4   145J TERRA NOVA TELECOM INC. 340   2025-08-28   
734-862 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-862 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-862 7   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-862 8   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-862 9   624H ONVOY SPECTRUM, LLC 340   2022-01-15   
734-891 A LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-891 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-892 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
734-892 0   543C ONVOY, LLCV - MI 340   2015-02-15   
734-892 1   543C ONVOY, LLCV - MI 340   2015-02-15   
734-892 2   318J COMCAST IP PHONE, LLC 340   2015-08-05   
734-892 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-02-04   

<< 1 2 3 4 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.