Local Calling Guide

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Switch: SGRNIAXP

Switch (link to prefixes) Switch name Company
SGRNIAXP1MD   2842 LOCAL TELEPHONE DATA SERVICES CORP. 
SGRNIAXPRP0 SIGOURNEY   
SGRNIAXPRS0 SIGOURNEY  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 

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

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