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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 956-326 | TX | SOUTHWESTERN BELL | N/A | 9533 | LAREDO | LARDTXDGRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: LAREDO Switch Type: WECO 5ESS Remote (5A RSM) LATA: San Antonio TX (566) Tandem: N/A 🔧 Explore Switch(CLLI: LARDTXDGRS0)) | |
| 956-326 is split into 1,000-number blocks - detail below | |||||||||
| 956-326-1XXX | TX | SOUTHWESTERN BELL | N/A | 9533 | LAREDO | LARDTXDGRS0 | N/A | Prefix Type: RBOC Switch Name: LAREDO Switch Type: WECO 5ESS Remote (5A RSM) LATA: San Antonio TX (566) Tandem: N/A 🔧 Explore Switch(CLLI: LARDTXDGRS0)) | |
| 956-326-2XXX | TX | SOUTHWESTERN BELL | N/A | 9533 | LAREDO | LARDTXDGRS0 | N/A | Prefix Type: RBOC Switch Name: LAREDO Switch Type: WECO 5ESS Remote (5A RSM) LATA: San Antonio TX (566) Tandem: N/A 🔧 Explore Switch(CLLI: LARDTXDGRS0)) | |
| 956-326-3XXX | TX | SOUTHWESTERN BELL | N/A | 9533 | LAREDO | LARDTXDGRS0 | N/A | Prefix Type: RBOC Switch Name: LAREDO Switch Type: WECO 5ESS Remote (5A RSM) LATA: San Antonio TX (566) Tandem: N/A 🔧 Explore Switch(CLLI: LARDTXDGRS0)) | |
| 956-326-4XXX | TX | SOUTHWESTERN BELL | N/A | 9533 | LAREDO | LARDTXDGRS0 | N/A | Prefix Type: RBOC Switch Name: LAREDO Switch Type: WECO 5ESS Remote (5A RSM) LATA: San Antonio TX (566) Tandem: N/A 🔧 Explore Switch(CLLI: LARDTXDGRS0)) |