Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 518

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-518 A Kalkaska MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-518 0 Kalkaska MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-518 1 Kalkaska MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-518 2 Kalkaska MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-518 3 Kalkaska MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-518 4 Kalkaska MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-518 5 Kalkaska MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-518 6 Kalkaska MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-518 7 Kalkaska MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-518 8 Kalkaska MI   829J PAETEC ITEL, LLC 348      
231-518 9 Kalkaska MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      

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

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