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: 785 [Rate centres in NPA 785] [Dial plan for NPA 785]

NXX: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
785-603 A Jewell KS TPKAKSJAXNX  205F ONVOY, LLC - KS 534      
785-603 0 Jewell KS TPKAKSKVX3Y  515J IP HORIZON LLC 534   2024-05-17   
785-603 1 Jewell KS JNCYKSXATMD  624H ONVOY SPECTRUM, LLC 534   2025-01-17   
785-603 2 Jewell KS TPKAKSQAPMD  516C AT&T CORP. 534   2024-09-16   
785-603 3 Jewell KS TPKAKSJAXNX  205F ONVOY, LLC - KS 534   2021-09-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.