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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-431MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSHNGTNZN3HYVLMDRIDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 3
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
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