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.

Grattan, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
616-524 A GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-524 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
616-524 1 GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348      
616-524 2 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-524 3 GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-524 4 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
616-524 5 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
616-524 6 GDRPMIBL15Z  516C AT&T CORP. 348      
616-524 7 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
616-524 8 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
616-524 9   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
616-691 A GRTNMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
616-691 0 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
616-691 1 GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348      
616-691 3 WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-691 4 GDRPMIBLX8Z  2550 123.NET, LLC 348      
616-691 5 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
616-691 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-691 7 GRTNMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
616-691 8 GRTNMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
616-691 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-779 A GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-779 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
616-779 1 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
616-779 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-779 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-779 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-779 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-779 9   145J TERRA NOVA TELECOM INC. 348      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.