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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
667-499MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-499
667-499-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT002/20/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT002/20/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT002/20/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-499-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/02/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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