Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
650-878CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS000/00/0000Prefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 650-878
650-878-0CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-1CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-2CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-3CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-4CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-5CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-6CAMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SSNFRNCSCOFRMTCAEDDS210/21/2010Prefix Type: CLEC
Switch Name: FREMONT
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-7CANEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)6010SSNFRNCSCOSNTDCAUJCM910/01/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-8CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
650-878-9CAPACIFIC BELL (AT&T)9740SSNFRNCSCOCOLACA01DS0N/APrefix Type: RBOC
Switch Name: COLMA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info