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.

Oscoda, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-215 A   829J PAETEC ITEL, LLC 344      
989-215 0   829J PAETEC ITEL, LLC 344      
989-215 1   829J PAETEC ITEL, LLC 344      
989-215 2   829J PAETEC ITEL, LLC 344      
989-215 3 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-215 4 SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344      
989-215 5   829J PAETEC ITEL, LLC 344      
989-215 6 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-215 7   829J PAETEC ITEL, LLC 344      
989-215 8   829J PAETEC ITEL, LLC 344      
989-215 9 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-457 A SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-457 0 SGNWMIAC6MD  939H COMMIO, LLC 344      
989-457 4   624H ONVOY SPECTRUM, LLC 344      
989-457 7 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-457 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-489 A SGNWMIFAXDX  9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-569 A SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-569 1 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-569 2 SGNWMIFAX5X  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344      
989-569 3 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-569 4 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-569 5 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-569 6 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-569 7 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-569 8 SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344      
989-569 9 SGNWMIATX0X  516C AT&T CORP. 344      
989-739 A OSCDMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 A OSCDMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 0 OSCDMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 1 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-747 2 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-747 3   279B CLEAR RATE COMMUNICATIONS, INC. - MI 344      
989-747 4 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-747 5 SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344      
989-747 6   829J PAETEC ITEL, LLC 344      
989-747 8 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-747 9 MDLDMIMN0MD  116F PENINSULA FIBER NETWORK, LLC - MI 344      
989-764 A SGNWMIACLMD  4632 TELNET WORLDWIDE, INC. 344      
989-861 A SGNWMIFAZMD  2550 123.NET, LLC 344      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.