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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
667-504MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-504
667-504-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT003/07/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT003/07/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT003/07/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-504-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT002/10/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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