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
978-448MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102GROTONGRTNMAHODS000/00/0000Prefix Type: RBOC
Switch Name: GROTON
Switch Type: Northern Telecom DMS10 (Digital)
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
978-449MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102GROTONGRTNMAHODS000/00/0000Prefix Type: RBOC
Switch Name: GROTON
Switch Type: Northern Telecom DMS10 (Digital)
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
Thousands block for 978-449
978-449-0MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102GROTONGRTNMAHODS0N/APrefix Type: RBOC
Switch Name: GROTON
Switch Type: Northern Telecom DMS10 (Digital)
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
978-449-6MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102GROTONGRTNMAHODS0N/APrefix Type: RBOC
Switch Name: GROTON
Switch Type: Northern Telecom DMS10 (Digital)
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
978-449-9MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102GROTONGRTNMAHODS0N/APrefix Type: RBOC
Switch Name: GROTON
Switch Type: Northern Telecom DMS10 (Digital)
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
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