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
218-753MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS000/00/0000Prefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
Thousands block for 218-753
218-753-1MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-2MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-3MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-4MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-5MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-6MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-7MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-8MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info
218-753-9MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123TOWERTOWRMNXADS0N/APrefix Type: ICO
Switch Name: TOWER
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Duluth MN (624)
Tandem: N/A
Detailed Switch Info