Local Calling Guide
Area code/prefix search
NPA: 831
[Rate centres in NPA 831]
[Dial plan for NPA 831]
NXX: 428
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 831-428
| A |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 831-428
| 0 |
Santa Cruz |
CA |
OKLDCAEB0MD |
073H TELNYX LLC |
722 |
|
2022-12-22 |
|
| 831-428
| 1 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2007-09-18 |
|
| 831-428
| 2 |
Santa Cruz |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
2005-07-11 |
|
| 831-428
| 3 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2007-09-18 |
|
| 831-428
| 4 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2012-07-27 |
|
| 831-428
| 5 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
| 831-428
| 6 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
2012-07-27 |
|
| 831-428
| 7 |
Santa Cruz |
CA |
SNVACAHZ0MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
722 |
|
2014-04-09 |
|
| 831-428
| 8 |
Santa Cruz |
CA |
SNFCCAMKDS3 |
649C ONVOY, LLC - CA |
722 |
|
2013-03-29 |
|
| 831-428
| 9 |
Santa Cruz |
CA |
OKLECAZV1MD |
5562 METROPCS, INC. |
722 |
|
|
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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