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.

NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-797 A Luther MI LTHRMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-797 0 Luther MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-797 1 Luther MI   829J PAETEC ITEL, LLC 348      
231-797 2 Luther MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-797 3 Luther MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-797 4 Luther MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-797 5 Luther MI LTHRMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-797 6 Luther MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-797 7 Luther MI   145J TERRA NOVA TELECOM INC. 348      
231-797 8 Luther MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-797 9 Luther MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, 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.