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
443-650MDXO MARYLAND, LLC (Verizon Communications)4773REISTERSTNBLTMMDCDDS002/20/2001Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-650
443-650-0MDXO MARYLAND, LLC (Verizon Communications)4773REISTERSTNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-1MDXO MARYLAND, LLC (Verizon Communications)4773REISTERSTNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-2MDLOCAL ACCESS LLC - MD082HREISTERSTNNOCLLIKNOWN09/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-3MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-4MDMETROPCS, INC. (T-Mobile US, Inc)5562REISTERSTNBLTMMDCHFMD08/13/2020Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-5MDUS LEC OF MARYLAND, INC.2589REISTERSTNCLMAMDJTDS002/07/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-6MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-7MDTELNYX LLC073HREISTERSTNNOCLLIKNOWN04/13/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-8MDBANDWIDTH.COM CLEC, LLC - MD071FREISTERSTNNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-650-9MDCORE COMMUNICATIONS, INC.- MD2593REISTERSTNNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Member of The Internet Defense League