Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
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
410-559MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PIKESVILLEBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-559
410-559-0MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-1MDTELNYX LLC073HPIKESVILLENOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-2MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-3MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-4MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN10/13/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-5MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-6MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX10/27/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-7MDTERRA NOVA TELECOM INC.145JPIKESVILLENOCLLIKNOWN08/26/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-8MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-9MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN03/16/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
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.