Local Calling Guide

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Switch: SYOSNYGN

Switch (link to prefixes) Switch name Company
SYOSNYGN1MD    
SYOSNYGNCA0 SYOSSET   
SYOSNYGNCM1 SYOSSET  5562 METROPCS, INC. 
SYOSNYGNCM1 SYOSSET  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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