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: TPKAKSKVX6X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
785-301 8 Hays KS 205F ONVOY, LLC - KS 534   2021-03-05   
785-339 5 Topeka KS 205F ONVOY, LLC - KS 534      
785-371 8 Lawrence KS 205F ONVOY, LLC - KS 534   2012-09-09   
785-551 4 Lawrence KS 205F ONVOY, LLC - KS 534   2021-11-21   
785-592 4 Lawrence KS 205F ONVOY, LLC - KS 534   2021-11-21   
785-592 7 Lawrence KS 205F ONVOY, LLC - KS 534   2021-11-21   
785-592 8 Lawrence KS 205F ONVOY, LLC - KS 534   2021-04-25   
785-592 9 Lawrence KS 205F ONVOY, LLC - KS 534   2021-04-25   
785-604 A Marquette KS 205F ONVOY, LLC - KS 534      
785-604 4 Marquette KS 205F ONVOY, LLC - KS 534   2021-09-03   
785-612 4 Phillipsburg KS 205F ONVOY, LLC - KS 534   2021-12-04   
785-780 A Solomon KS 205F ONVOY, LLC - KS 534      
785-780 7 Solomon KS 205F ONVOY, LLC - KS 534   2020-12-04   
785-780 8 Solomon KS 205F ONVOY, LLC - KS 534   2020-12-04   
785-800 6 Ottawa KS 205F ONVOY, LLC - KS 534   2021-11-21   
785-800 9 Ottawa KS 205F ONVOY, LLC - KS 534   2021-11-21   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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