Local Calling Guide
Area code/prefix search
NPA: 520
[Rate centres in NPA 520]
[Dial plan for NPA 520]
NXX: 556
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
520-556
| A |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
520-556
| 0 |
Sierra Vista |
AZ |
TCSNAZMAX3Y |
624H ONVOY SPECTRUM, LLC |
668 |
|
2021-10-25 |
|
520-556
| 1 |
Sierra Vista |
AZ |
|
515J IP HORIZON LLC |
668 |
|
2021-10-25 |
|
520-556
| 2 |
Sierra Vista |
AZ |
TCSNAZMAX3Y |
624H ONVOY SPECTRUM, LLC |
668 |
|
2021-11-20 |
|
520-556
| 3 |
Sierra Vista |
AZ |
TCSNAZMAX3Y |
624H ONVOY SPECTRUM, LLC |
668 |
|
2021-11-20 |
|
520-556
| 4 |
Sierra Vista |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-12-12 |
|
520-556
| 5 |
Sierra Vista |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-10-25 |
|
520-556
| 6 |
Sierra Vista |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-10-25 |
|
520-556
| 7 |
Sierra Vista |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-10-25 |
|
520-556
| 8 |
Sierra Vista |
AZ |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2021-10-25 |
|
520-556
| 9 |
Sierra Vista |
AZ |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2021-10-24 |
|
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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