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.
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Switch: GNBYWIELDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-770 1 Green Bay WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2014-07-04   
920-770 9 Green Bay WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2014-07-04   
920-808 A Oshkosh WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350      
920-808 9 Oshkosh WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2018-11-29   
920-818 9 Sturgeon Bay WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2019-09-25   
920-861 2 Winneconne WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2019-09-25   
920-877 6 Hortonville WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-05-31   
920-878 4 New London WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-05-31   
920-880 A Algoma WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350      
920-880 1 Algoma WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2016-02-26   
920-895 1 Kewaunee WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2019-09-25   
920-931 0 Appleton WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2015-06-08   
920-944 6 Appleton WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2015-03-06   
920-949 0 Kaukauna WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2016-01-30   
920-977 6 Green Bay WI 227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-04-30   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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