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
443-558MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ABERDEENBLTMMDSN5MD01/15/2001Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-558
443-558-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ABERDEENBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-1MDPEERLESS NETWORK OF MARYLAND, LLC568GABERDEENNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-2MDXO MARYLAND, LLC (Verizon Communications)4773ABERDEENBLTMMDSNDS507/26/2013Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ABERDEENBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-4MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697ABERDEENNOCLLIKNOWN02/17/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ABERDEENABRDMDABDS004/12/2010Prefix Type: RBOC
Switch Name: ABERDEEN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-6MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855ABERDEENBLTMMDCH40Z11/04/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ABERDEENBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-8MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855ABERDEENBLTMMDCH40Z11/04/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-558-9MDPEERLESS NETWORK OF MARYLAND, LLC568GABERDEENNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info