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
301-253MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS000/00/0000Prefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS000/00/0000Prefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-368
301-368-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036DAMASCS236DMSCMDDEDS009/20/2017Prefix Type: WIRELESS
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368-5MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS004/11/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368-7MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS004/11/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368-8MDTELNYX LLC073HDAMASCS236DMSCMDDEDS004/17/2017Prefix Type: IPES
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-368-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS000/00/0000Prefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-391
301-391-1MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-2MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-3MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-4MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-5MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-7MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-391-9MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS000/00/0000Prefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-414
301-414-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-1MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS007/01/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-3MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS007/01/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-4MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS007/01/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-5MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS004/11/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-6MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-414-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS000/00/0000Prefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-482
301-482-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-4MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-5MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS004/11/2019Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212DAMASCS236DMSCMDDEDS0N/APrefix Type: RBOC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-7MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-482-8MDCORE COMMUNICATIONS, INC.- MD2593DAMASCS236DMSCMDDEDS010/10/2018Prefix Type: CLEC
Switch Name: DAMASCUS
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2023, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.