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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-239MDVERIZON MARYLAND, INC. (Verizon Communications)9212REISTERSTNHMPSMDHERS100/00/0000Prefix Type: RBOC
Switch Name: HAMPSTEAD
Switch Type: AT&T 5ESS-2000 VCDX
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info