Effective January 21st, 2018, many USPS shipping rates will increase. All USPS postage providers, including Stamps.com, must comply with these new rate increases. Listed below are some of the more common services that will see rate increases.
Many services base their pricing on the weight plus the shipping zone. Zones range from the nearest zone 1, to the furthest away zone 9.
For instance, shipping from Oakland, CA to San Francisco would be a Zone 1 shipment, while shipping from Juneau, AK to Miami, FL would be a Zone 9 shipment.
Additionally, size restrictions can apply. If applicable, size restrictions will be listed alongside each package type in the rate tables below.
For additional information, as well as comparisons to pricing increases from 2017 to 2018, you can check out this Stamps.com article.
First Class Mail Package
First Class Mail Package is a great way to ship small packages economically. If your package weighs less than 16 oz and does not exceed 108" in combined length and girth, it qualifies for First Class Mail.
Priority Flat Rate
Priority Mail Flat Rate is a 1-3 day shipping service that charges one flat rate for your package/envelope, with a maximum allowable weight of 70 lbs.
Priority Regional Rate Boxes
While Flat Rate Boxes have a single rate regardless of destination zone, Priority Regional Rate Boxes have a zone-dependent flat rate. Depending on the zone you are shipping to, you may find the Regional Rate Box is cheaper. Flat Rate Boxes are ideal for shipping long distances and Regional Rate Boxes are ideal for shorter distances.
Below are the costs of sending Regional Rate Boxes to each of the USPS's 9 zones.
Regional Rate Box A: 10" x 7" x 4.75"
Regional Rate Box B : 12" x 10.25" x 5"
To view zones relative to your ship from location, use the USPS Domestic Zone Chart tool.
Priority Mail Packages/Thick Envelope
Priority Mail package or thick envelopes are a great way to quickly and efficiently ship packages that are under 70 lbs and do not exceed 108" in combined length and girth.
This table lists Priority Mail pricing up to 25lbs for all 9 zones. To view Priority Mail pricing up to 70lbs, download the attached PDF included at the end of this article.