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: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
785-543 A Phillipsburg KS PHBGKS04RS0  9533 SOUTHWESTERN BELL 534      
785-543 0 Phillipsburg KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 534   2005-01-22   
785-543 1 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 2 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 3 Phillipsburg KS   205F ONVOY, LLC - KS 534   2021-03-05   
785-543 4 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 5 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 6 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 7 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 8 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      
785-543 9 Phillipsburg KS   9533 SOUTHWESTERN BELL 534      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.