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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
928-553AZT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529BULLHEADCYGLVYAZXC2MD11/06/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Phoenix AZ (666)
Tandem: N/A
🔧 Explore Switch(CLLI: GLVYAZXC2MD))
🕘 Prefix History
🔎 Explore Carrier Information
928-553 is split into 1,000-number blocks - detail below
928-553-6XXXAZT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529BULLHEADCYGLVYAZXC2MD01/16/2026Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Phoenix AZ (666)
Tandem: N/A
🔧 Explore Switch(CLLI: GLVYAZXC2MD))
🕘 Prefix History
🔎 Explore Carrier Information
928-553-7XXXAZT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529BULLHEADCYGLVYAZXC2MD01/16/2026Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Phoenix AZ (666)
Tandem: N/A
🔧 Explore Switch(CLLI: GLVYAZXC2MD))
🕘 Prefix History
🔎 Explore Carrier Information
928-553-8XXXAZT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529BULLHEADCYGLVYAZXC2MD11/06/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Phoenix AZ (666)
Tandem: N/A
🔧 Explore Switch(CLLI: GLVYAZXC2MD))
🕘 Prefix History
🔎 Explore Carrier Information
928-553-9XXXAZT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529BULLHEADCYGLVYAZXC2MD11/06/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Phoenix AZ (666)
Tandem: N/A
🔧 Explore Switch(CLLI: GLVYAZXC2MD))
🕘 Prefix History
🔎 Explore Carrier Information
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