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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
432-620TXSOUTHWESTERN BELL9533MIDLANDMDLDTXMUDS000/00/0000Prefix Type: RBOC
Switch Name: Mutual
Switch Type: WECO 5ESS (Digital)
LATA: Midland TX (542)
Tandem: MDLDTXMU15T
Detailed Switch Info