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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
636-519MOSOUTHWESTERN BELL9533CHESTERFLDCHFDMO52DSA00/00/0000Prefix Type: RBOC
Switch Name: CHESTERFIELD
Switch Type: WECO 5ESS Host (Digital)
LATA: St.Louis MO (520)
Tandem: STLSMO2101T
Detailed Switch Info
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