Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

Harmony (Jefferson), IL [Prefix detail]

LATA: 520 ST LOUIS MO

LIR:

V: 06741 H: 03247

ILEC: 9329 ILLINOIS BELL TEL CO

NPA 618:

360 755

See all [Local Prefixes]

Local calling FROM 9 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Bluford, IL A    
Centralia, IL A    
Dix, IL A    
Iuka, IL A    
Kell, IL A    
Kinmundy, IL A    
Mount Vernon, IL A    
Salem, IL A    
Wayne City, IL     

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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