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 256-459
256-459-1ALSOUTHERN COMMUNICATIONS SERVIC6744GADSDENGDSDAL04CM2N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-563ALSOUTHERN COMMUNICATIONS SERVIC6744GADSDENGDSDAL04CM200/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
Thousands block for 256-563
256-563-0ALSOUTHERN COMMUNICATIONS SERVIC6744GADSDENGDSDAL04CM2N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
256-563-8ALSOUTHERN COMMUNICATIONS SERVIC6744GADSDENGDSDAL04CM2N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Birmingham AL (476)
Tandem: N/A
Detailed Switch Info
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