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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-323ILAMERICAN MESSAGING SERVICES, LLC9748CHICGOZN01CHCGILWBCM204/13/2001Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
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