Local Calling Guide
Area code/prefix search
NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]
NXX: 443
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
520-443 | A | Tucson | AZ | TCSMAZOI3MD | 6529 T-MOBILE USA, INC. | 668 | |||
520-443 | 0 | Tucson | AZ | TCSMAZCH1MD | 6010 NEW CINGULAR WIRELESS PCS, LLC | 668 | |||
520-443 | 1 | Tucson | AZ | TCSMAZCH1MD | 6010 NEW CINGULAR WIRELESS PCS, LLC | 668 | |||
520-443 | 2 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 3 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 4 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 5 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 6 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 7 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 8 | Tucson | AZ | TCSNAZMADS1 | 9636 QWEST CORPORATION | 668 | |||
520-443 | 9 | Tucson | AZ | TCSMAZOI3MD | 6529 T-MOBILE USA, INC. | 668 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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