Local Calling Guide
Rate centre information
Pittsburg, CA [Prefix detail]
LIR:
V: 08432 H: 08635
203 220 252 267 318 427 431 432 439 473 492 526 573 597 635 665 698 799
See all [Local Prefixes]
Local calling FROM: [Reverse direction]
| OCN | Rate centre | Plan type | Call type | Monthly limit (minutes) | Note | Effective date |
|---|---|---|---|---|---|---|
| Antioch, CA | ZUM1 | |||||
| Benicia, CA | ZUM3 | |||||
| Clayton, CA | ZUM1 | |||||
| Concord, CA | ZUM2 | |||||
| Danville, CA | ZUM3 | |||||
| East Contra Costa, CA | ZUM3 | |||||
| Lafayette, CA | ZUM3 | |||||
| Martinez, CA | ZUM3 | |||||
| Pittsburg West, CA | ZUM1 | |||||
| Walnut Creek, CA | ZUM3 |
*If OCN is blank, this indicates the default local calling area for all carriers. If OCN is not blank, then local calling is available for that OCN only.
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.