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.

Mancelona, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-280 A GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-280 0 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-280 1 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-280 2 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-280 3 GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
231-280 5 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-280 9 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-356 A GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348      
231-587 A MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 0 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 1 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 2 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 3 BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-587 4 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 5 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 6 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-587 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-587 8 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 9 MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-792 A GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-916 A GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-916 0 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-916 1 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-916 2 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-916 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-916 4 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-916 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-916 6   829J PAETEC ITEL, LLC 348      
231-916 7 GDRPMIBL15Z  516C AT&T CORP. 348      
231-916 9 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.