On January 22nd, the USPS introduced several changes to their mail class services and rates. For information about these changes, please go to

Please note: Although the retail rate for 1oz First-Class Mail Letter postage increased from $0.47 to $0.49, those using metered PC Postage will receive a discount of $0.03 (for all First-Class Letter weights) and will receive a rate of $0.46. For more detailed information, please download our PDF. 2017-usps-postage-rate-guide.

Systems Status: All Systems Processing normally.

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Please be sure to have the following information ready when you contact us.

  • Account Number
  • Question or description of the problem
  • If there is an error message, please include it (print or copy of the details)

Phone: 1-800-576-3279 x130
Fax: 650-321-0356
Hours: M-F 6am-5pm (Pacific)

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