Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
857-557MAHD CARRIER LLC321JBOSTONCMBRMABETMD08/27/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
Thousands block for 857-557
857-557-9MAHD CARRIER LLC321JBOSTONCMBRMABETMD08/28/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
Thousands block for 857-990
857-990-7MAHD CARRIER LLC321JBOSTONCMBRMABETMD01/26/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info