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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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🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
256-378ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS000/00/0000Prefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378 is split into 1,000-number blocks - detail below
256-378-0XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-1XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-2XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-3XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-4XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-5XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-6XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-7XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
256-378-8XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419CHILDERSBGCHBGALMARS0N/APrefix Type: RBOC
Switch Name: CHILDERSBURG
Switch Type: Northern Telecom Remote Switching Center
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: CHBGALMARS0))
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