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: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-631 A Beloit WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-631 0 Beloit WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2019-11-08   
608-631 1 Beloit WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2019-11-12   
608-631 2 Beloit WI MDSNWI11X2Y  5562 METROPCS, INC. 354   2019-12-26   
608-631 3 Beloit WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-11-11   
608-631 4 Beloit WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2020-01-27   
608-631 5 Beloit WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-07-09   
608-631 6 Beloit WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-11-11   
608-631 7 Beloit WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-01-18   
608-631 8 Beloit WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-01-18   
608-631 9 Beloit WI MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2020-03-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.