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.

Sandwich, IL [Prefix detail]

LATA: 358 CHICAGO IL

LIR:

V: 06105 H: 03545

ILEC: 1015 FRONTIER NORTH, INC. - IL

NPA 779:

209 706 931 978

NPA 815:

570 786

See all [Local Prefixes]

Local calling FROM 5 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Leland, IL     
Oswego, IL B    
Plano, IL A    
Sheridan, IL     
Somonauk, IL     

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

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