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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-433MDXO MARYLAND, LLC (Verizon Communications)4773ANNAPOLISBLTMMDSN5MD02/21/2001Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-433
443-433-0MDXO MARYLAND, LLC (Verizon Communications)4773ANNAPOLISBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-1MDLIGHTWAVE COMMUNICATIONS, LLC 5966ANNAPOLISNOCLLIKNOWN09/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/17/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-3MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697ANNAPOLISNOCLLIKNOWN03/23/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-4MDXO MARYLAND, LLC (Verizon Communications)4773ANNAPOLISBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-5MDXO MARYLAND, LLC (Verizon Communications)4773ANNAPOLISBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/17/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-7MDXO MARYLAND, LLC (Verizon Communications)4773ANNAPOLISBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/17/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-433-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855ANNAPOLISBLTMMDCH40Z08/09/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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