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.

Bay City, MI

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-225 A SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-316 A BYCYMIWSDS0  9323 MICHIGAN BELL TEL CO 344      
989-316 1 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-316 2 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-316 3   624H ONVOY SPECTRUM, LLC 344      
989-316 4 BYCYMIWSDS0  9323 MICHIGAN BELL TEL CO 344      
989-316 5 SGNWMIFAX7X  5562 METROPCS, INC. 344      
989-316 6 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-316 7 SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344      
989-316 8 SGNWMIFAX7X  5562 METROPCS, INC. 344      
989-316 9 SGNWMIFAX7X  5562 METROPCS, INC. 344      
989-318 A SGNWMIFAY0X  425J CSC WIRELESS, LLC 344      
989-318 0 SGNWMIAC6MD  939H COMMIO, LLC 344      
989-318 1 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-318 2 SGNWMIFAY0X  425J CSC WIRELESS, LLC 344      
989-318 3 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-318 4 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-318 5 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-318 6 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-318 7 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-318 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-318 9 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-322 A SGNWMIFAZMD  2550 123.NET, LLC 344      
989-357 A SGNWMIACFMD  321J HD CARRIER LLC 344      
989-357 0 SGNWMIAC6MD  939H COMMIO, LLC 344      
989-357 1 SGNWMIAC6MD  939H COMMIO, LLC 344      
989-357 2 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-357 3 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-357 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-357 7 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-357 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-357 9 SGNWMIACFMD  321J HD CARRIER LLC 344      
989-391 A SGNWMIACNMD  732J NUSO, LLC 344      
989-391 0 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-391 1 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-391 3 SGNWMIFAX5X  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344      
989-391 4 SGNWMIATX0X  516C AT&T CORP. 344      
989-391 5 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-391 6 SGNWMIACNMD  732J NUSO, LLC 344      
989-391 7 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-391 8   145J TERRA NOVA TELECOM INC. 344      
989-391 9 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-402 A SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-402 0 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-402 1 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-402 2 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-402 3 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-402 4 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-402 5 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-402 7 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-402 8 SGNWMIFAX7X  5562 METROPCS, INC. 344      
989-402 9 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-414 A SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 0 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-414 1 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 2 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 3 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 4 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 5   829J PAETEC ITEL, LLC 344      
989-414 6 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 7 SGNWMIFAX7X  5562 METROPCS, INC. 344      
989-414 8   829J PAETEC ITEL, LLC 344      
989-414 9 SGNWMIFAX7X  5562 METROPCS, INC. 344      
989-415 A SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-439 A SGNWMIFAXLY  279B CLEAR RATE COMMUNICATIONS, INC. - MI 344      
989-439 0 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-439 1 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-439 2 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-439 3 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-439 4 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-439 5 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-439 6 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-439 7 SGNWMIFAXLY  279B CLEAR RATE COMMUNICATIONS, INC. - MI 344      
989-439 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-439 9 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-450 A SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-459 A SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344      
989-459 0 SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344      
989-459 1 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-459 2 SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344      
989-459 3 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-459 4 SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344      
989-459 5 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-459 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-459 7 SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344      
989-459 8 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-459 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-460 A   829J PAETEC ITEL, LLC 344      
989-460 0   829J PAETEC ITEL, LLC 344      
989-460 1   829J PAETEC ITEL, LLC 344      
989-460 2   829J PAETEC ITEL, LLC 344      
989-460 3   829J PAETEC ITEL, LLC 344      
989-460 4   829J PAETEC ITEL, LLC 344      
989-460 5   829J PAETEC ITEL, LLC 344      
989-460 6   829J PAETEC ITEL, LLC 344      
989-460 7 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-460 8 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-460 9   829J PAETEC ITEL, LLC 344      
989-509 A SGNWMIACLMD  4632 TELNET WORLDWIDE, INC. 344      
989-531 A   616J LEAP TELECOM, LLC 344   2024-12-15   

1 2 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.