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
320-669MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS000/00/0000Prefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
Thousands block for 320-669
320-669-0MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-1MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-3MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-4MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-6MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-7MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-8MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
320-669-9MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123CLARKFIELDCLFDMNXCRS0N/APrefix Type: ICO
Switch Name: CLARKFIELD
Switch Type: Northern Telecom DMS10 RSLE
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
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