Local Calling Guide
Area code/prefix search
NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]
NXX: 677
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
660-677 | A | Armstrong | MO | KSCZMODR3MD | 4932 LEVEL 3 COMMUNICATIONS, LLC - MO | 524 | |||
660-677 | 1 | Armstrong | MO | KSCYMO55XYY | 624H ONVOY SPECTRUM, LLC | 524 | 2025-01-12 | ||
660-677 | 2 | Armstrong | MO | KSCYMO55XXX | 093F ONVOY, LLC - MO | 524 | 2021-10-18 | ||
660-677 | 4 | Armstrong | MO | KSCZMODR3MD | 4932 LEVEL 3 COMMUNICATIONS, LLC - MO | 524 | |||
660-677 | 6 | Armstrong | MO | KSCYMO55XXX | 093F ONVOY, LLC - MO | 524 | 2021-01-06 | ||
660-677 | 7 | Armstrong | MO | KSCYMO55X0Z | 965H FRACTEL, LLC | 524 | 2019-11-14 | ||
660-677 | 8 | Armstrong | MO | KSCYMO09QMD | 516C AT&T CORP. | 524 | 2023-10-02 |
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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