Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-450 A Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-450 0 Pratt KS   073H TELNYX LLC 532   2018-07-11   
620-450 1 Pratt KS   9533 SOUTHWESTERN BELL 532      
620-450 2 Pratt KS   9533 SOUTHWESTERN BELL 532      
620-450 3 Pratt KS   7593 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS 532   2010-09-15   
620-450 4 Pratt KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2005-01-14   
620-450 5 Pratt KS   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2010-06-28   
620-450 6 Pratt KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2008-11-26   
620-450 7 Pratt KS   9533 SOUTHWESTERN BELL 532      
620-450 8 Pratt KS   9533 SOUTHWESTERN BELL 532      
620-450 9 Pratt KS   9533 SOUTHWESTERN BELL 532      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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