Local Calling Guide
Area code/prefix search
NPA: 820
[Rate centres in NPA 820]
[Dial plan for NPA 820]
NXX: 221
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 820-221
| A |
Santa Maria |
CA |
GOLTCACEBMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
740 |
|
|
|
| 820-221
| 0 |
Santa Maria |
CA |
SNBBCAXFXCY |
939H COMMIO, LLC |
740 |
|
2024-01-28 |
|
| 820-221
| 1 |
Santa Maria |
CA |
SNBBCAXFXCY |
939H COMMIO, LLC |
740 |
|
2024-01-28 |
|
| 820-221
| 2 |
Santa Maria |
CA |
|
649C ONVOY, LLC - CA |
740 |
|
2025-09-27 |
|
| 820-221
| 3 |
Santa Maria |
CA |
SNBBCAXFXVY |
649C ONVOY, LLC - CA |
740 |
|
2024-02-23 |
|
| 820-221
| 4 |
Santa Maria |
CA |
SNBBCAXFXVY |
649C ONVOY, LLC - CA |
740 |
|
2024-02-23 |
|
| 820-221
| 5 |
Santa Maria |
CA |
SNBBCAXFXVY |
649C ONVOY, LLC - CA |
740 |
|
2024-02-23 |
|
| 820-221
| 6 |
Santa Maria |
CA |
SNBBCAXFXVY |
649C ONVOY, LLC - CA |
740 |
|
2024-02-23 |
|
| 820-221
| 7 |
Santa Maria |
CA |
SNBBCAXFXVY |
649C ONVOY, LLC - CA |
740 |
|
2024-02-23 |
|
| 820-221
| 8 |
Santa Maria |
CA |
SNLOCA01XEY |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
740 |
|
2024-02-16 |
|
| 820-221
| 9 |
Santa Maria |
CA |
GOLTCACEBMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
740 |
|
2023-12-17 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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