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
301-349MDVERIZON MARYLAND, INC. (Verizon Communications)9212POOLESVLPLVLMDPVRS200/00/0000Prefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-349
301-349-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212POOLESVLPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-349-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212POOLESVLPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-349-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212POOLESVLPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-349-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212POOLESVLPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-407MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS200/00/0000Prefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-407
301-407-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-407-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS204/02/2003Prefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-407-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-605MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10PLVLMDPVRS200/00/0000Prefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-605
301-605-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10PLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS200/00/0000Prefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-972
301-972-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-972-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212GAITHERSBGPLVLMDPVRS2N/APrefix Type: RBOC
Switch Name: POOLESVILLE
Switch Type: N/A
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.