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: 679

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-679 A Treece KS PCHROKMARL1  9533 SOUTHWESTERN BELL 538      
620-679 0 Treece KS TULTOKCL8MD  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 538   2006-09-08   
620-679 1 Treece KS TULSOKTBXHY  205F ONVOY, LLC - KS 538   2017-04-24   
620-679 2 Treece KS PCHROKMARL1  9533 SOUTHWESTERN BELL 538      
620-679 3 Treece KS TULSOKTBDS7  018H PEERLESS NETWORK OF KANSAS, LLC - KS 538   2018-11-25   
620-679 4 Treece KS TLSAOKSMBMD  516C AT&T CORP. 538   2024-09-23   
620-679 7 Treece KS TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-04-11   
620-679 8 Treece KS TULSOKTBX5Z  073H TELNYX LLC 538   2019-05-20   
620-679 9 Treece KS PCHROKMARL1  9533 SOUTHWESTERN BELL 538      

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

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