Local Calling Guide
Area code/prefix search
NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]
NXX: 921
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
831-921 | A | Tres Pinos | CA | SLNSCA01XXX | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 736 | |||
831-921 | 1 | Tres Pinos | CA | MTRYCAPMDS0 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 736 | 2016-03-05 | ||
831-921 | 2 | Tres Pinos | CA | SLNSCA01X9Y | 649C ONVOY, LLC - CA | 736 | 2019-07-28 | ||
831-921 | 3 | Tres Pinos | CA | SLNSCA01X9Y | 649C ONVOY, LLC - CA | 736 | 2019-07-28 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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