Local Calling Guide
Area code/prefix search
NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]
NXX: 284
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
520-284 | A | Tucson | AZ | TCSNAZMAIMD | 4793 XO ARIZONA, INC. | 668 | 2009-05-11 | ||
520-284 | 0 | Tucson | AZ | 722E YMAX COMMUNICATIONS CORP. - AZ | 668 | 2009-06-12 | |||
520-284 | 1 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-05-11 | |||
520-284 | 2 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-05-11 | |||
520-284 | 3 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-25 | |||
520-284 | 4 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-25 | |||
520-284 | 5 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-25 | |||
520-284 | 6 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-25 | |||
520-284 | 7 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-18 | |||
520-284 | 8 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-18 | |||
520-284 | 9 | Tucson | AZ | 4793 XO ARIZONA, INC. | 668 | 2009-06-18 |
Last updated: Sun, 29 Nov 2020 13:13:58 UTC
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