Local Calling Guide
Area code/prefix search
NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]
NXX: 399
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
520-399 | A | Tucson | AZ | GNVYAZMADS0 | 9636 QWEST CORPORATION | 668 | |||
520-399 | 0 | Tucson | AZ | 9636 QWEST CORPORATION | 668 | ||||
520-399 | 1 | Tucson | AZ | 9636 QWEST CORPORATION | 668 | ||||
520-399 | 2 | Tucson | AZ | 9636 QWEST CORPORATION | 668 | ||||
520-399 | 3 | Tucson | AZ | 9636 QWEST CORPORATION | 668 | ||||
520-399 | 4 | Tucson | AZ | 9636 QWEST CORPORATION | 668 | ||||
520-399 | 5 | Tucson | AZ | 6664 SPRINT SPECTRUM L.P. | 668 | 2005-03-26 | |||
520-399 | 6 | Tucson | AZ | 3285 LEVEL 3 COMMUNICATIONS, LLC - AZ | 668 | 2005-04-29 | |||
520-399 | 7 | Tucson | AZ | 3285 LEVEL 3 COMMUNICATIONS, LLC - AZ | 668 | 2006-08-28 | |||
520-399 | 8 | Tucson | AZ | 3285 LEVEL 3 COMMUNICATIONS, LLC - AZ | 668 | 2005-04-29 | |||
520-399 | 9 | Tucson | AZ | 9636 QWEST CORPORATION | 668 |
Last updated: Sun, 29 Nov 2020 13:13:58 UTC
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