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
256-447ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS000/00/0000Prefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
Thousands block for 256-447
256-447-0ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-1ALTERRA NOVA TELECOM INC.145JPIEDMONTPDMTALMARS009/01/2021Prefix Type: IPES
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-2ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-3ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-4ALTERRA NOVA TELECOM INC.145JPIEDMONTPDMTALMARS012/08/2020Prefix Type: IPES
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-6ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-7ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-8ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-447-9ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)9419PIEDMONTPDMTALMARS0N/APrefix Type: RBOC
Switch Name: PIEDMONT
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
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