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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-957MDAT&T - LOCAL (AT&T)7421BALTIMOREBLTMMDCHXAX00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-957
443-957-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BALTIMOREBLTMMDCH40Z12/07/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BALTIMORENOCLLIKNOWN02/15/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-2MDAT&T - LOCAL (AT&T)7421BALTIMOREBLTMMDCHXAXN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-3MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BALTIMOREBLTMMDCH40Z12/07/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BALTIMORENOCLLIKNOWN05/19/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BALTIMOREBLTMMDCH40Z08/24/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-6MDAT&T - LOCAL (AT&T)7421BALTIMOREBLTMMDCHXAXN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BALTIMOREBLTMMDCH40Z12/17/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BALTIMOREBLTMMDCH40Z12/17/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-957-9MDXO MARYLAND, LLC (Verizon Communications)4773BALTIMOREBLTMMDSN5MD07/19/2005Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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