Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
310-662CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS000/00/0000Prefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
Thousands block for 310-662
310-662-0CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-1CANEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010EL SEGUNDOGRDNCAATCM410/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-2CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-3CANEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010EL SEGUNDOGRDNCAATCM409/14/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-4CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-5CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-6CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-7CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-8CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
310-662-9CAPACIFIC BELL (AT&T)N/A9740EL SEGUNDOELSGCA12DS0N/APrefix Type: RBOC
Switch Name: EL SEGUNDO
Switch Type: WECO 5ESS (Digital)
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info
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