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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 760-331 | CA | AT&T - LOCAL (AT&T) | N/A | 7421 | OCSD CRLS | SNDGCA07DS1 | 00/00/0000 | Prefix Type: CLEC Switch Name: SAN DIEGO Switch Type: WECO 4ESS LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDGCA07DS1)) | |
| 760-331 is split into 1,000-number blocks - detail below | |||||||||
| 760-331-0XXX | CA | AT&T - LOCAL (AT&T) | N/A | 7421 | OCSD CRLS | SNDGCA07DS1 | N/A | Prefix Type: CLEC Switch Name: SAN DIEGO Switch Type: WECO 4ESS LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDGCA07DS1)) | |
| 760-331-1XXX | CA | IP HORIZON LLC | RMD0001571 | 515J | OCSD CRLS | NOCLLIKNOWN | 09/23/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) | |
| 760-331-2XXX | CA | IP HORIZON LLC | RMD0001571 | 515J | OCSD CRLS | NOCLLIKNOWN | 09/23/2003 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) | |
| 760-331-3XXX | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless) | 0029611852 | RMD0003439 | 6006 | OCSD CRLS | SNDICAETAMD | 04/11/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDICAETAMD)) |
| 760-331-4XXX | CA | NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless) | 0003291192 | RMD0036909 | 6010 | OCSD CRLS | SNDGCA51CM3 | 01/18/2010 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDGCA51CM3)) |
| 760-331-5XXX | CA | PACIFIC BELL (AT&T) | N/A | 9740 | OCSD CRLS | CRLSCA12DS0 | 10/25/2002 | Prefix Type: RBOC Switch Name: CARLSBAD (LA COSTA) Switch Type: WECO 5ESS (Digital) LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: CRLSCA12DS0)) | |
| 760-331-6XXX | CA | PACIFIC BELL (AT&T) | N/A | 9740 | OCSD CRLS | CRLSCA12DS0 | 10/25/2002 | Prefix Type: RBOC Switch Name: CARLSBAD (LA COSTA) Switch Type: WECO 5ESS (Digital) LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: CRLSCA12DS0)) | |
| 760-331-7XXX | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless) | 0029611852 | RMD0003439 | 6006 | OCSD CRLS | SNDICAETAMD | 05/26/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDICAETAMD)) |
| 760-331-8XXX | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless) | 0029611852 | RMD0003439 | 6006 | OCSD CRLS | SNDICAETAMD | 08/17/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDICAETAMD)) |
| 760-331-9XXX | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless) | 0029611852 | RMD0003439 | 6006 | OCSD CRLS | SNDICAETAMD | 08/17/2005 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Diego CA (732) Tandem: N/A 🔧 Explore Switch(CLLI: SNDICAETAMD)) |