Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
Thousands block for 301-854
301-854-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ASHTON238CLVLMDCEDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-531MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLVLMDCEDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-988MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLVLMDCEDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-988
410-988-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLVLMDCEDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-535MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLVLMDCEDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-535
443-535-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLVLMDCEDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-535-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLVLMDCEDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-535-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLVLMDCEDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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