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
413-354MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102CHESTERCHESMAMURS100/00/0000Prefix Type: RBOC
Switch Name: CHESTER
Switch Type: Northern Telecom Remote Switching Center
LATA: western MA (126)
Tandem: N/A
Detailed Switch Info
Thousands block for 413-354
413-354-2MATERRA NOVA TELECOM INC.145JCHESTERCHESMAMURS109/07/2022Prefix Type: IPES
Switch Name: CHESTER
Switch Type: Northern Telecom Remote Switching Center
LATA: western MA (126)
Tandem: N/A
Detailed Switch Info
413-354-6MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102CHESTERCHESMAMURS1N/APrefix Type: RBOC
Switch Name: CHESTER
Switch Type: Northern Telecom Remote Switching Center
LATA: western MA (126)
Tandem: N/A
Detailed Switch Info
413-354-7MAVERIZON NEW ENGLAND INC. (Verizon Communications)9102CHESTERCHESMAMURS1N/APrefix Type: RBOC
Switch Name: CHESTER
Switch Type: Northern Telecom Remote Switching Center
LATA: western MA (126)
Tandem: N/A
Detailed Switch Info