Local Calling Guide
Area code/prefix search
NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]
NXX: 861
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
520-861 | A | Tucson | AZ | TCSNAZMAX3X | 6664 SPRINT SPECTRUM L.P. | 668 |
Last updated: Sun, 29 Nov 2020 13:13:58 UTC
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