Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
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
443-502MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325HAVREGRACEBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 443-502
443-502-0MDBANDWIDTH.COM CLEC, LLC - MD071FHAVREGRACENOCLLIKNOWN11/12/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-1MDUS LEC OF MARYLAND, INC.2589HAVREGRACENOCLLIKNOWN01/15/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-2MDCOMCAST IP PHONE, LLC318JHAVREGRACENOCLLIKNOWN02/11/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-3MDCORE COMMUNICATIONS, INC.- MD2593HAVREGRACENOCLLIKNOWN05/23/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-5MDCOMCAST IP PHONE, LLC318JHAVREGRACENOCLLIKNOWN06/19/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-6MDBANDWIDTH.COM CLEC, LLC - MD071FHAVREGRACENOCLLIKNOWN09/28/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-7MDCENTURYLINK COMMUNICATIONS, LLC508JHAVREGRACENOCLLIKNOWN05/27/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-8MDCOMCAST IP PHONE, LLC318JHAVREGRACENOCLLIKNOWN02/12/2002Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
443-502-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD7325HAVREGRACEBLTMMDFMDS0N/APrefix Type: WIRELESS
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
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.