Postage Rate Increase

Holiday Shipping Rate Increase Info (starting October 3, 2021)

The USPS implemented a temporary shipping rate increase for the peak holiday season, starting Sunday October 3 and ending Sunday, December 26, 2021. The rate increase impacts Priority Mail Express, Priority Mail, First Class Package Service, Parcel Select, USPS Retail Ground and Parcel Return Service. USPS management stated the increase is due to an increase in peak-season package and shipping demand, which typically results in extra handling costs. Get more info on the Holiday Rate Increase.

Info on the 2021 USPS Mailing Rate Increase (starting August 29, 2021)

The U.S. Postal Service (USPS) will implement a postage rate increase for mailing services on Sunday, August 29, 2021.


Domestic Mailing:
  • This August 2021 postage rate increase is ONLY impacting mailing services (Market Dominant). Shipping rates (Competitive Products) are not being changed.
  • The First Class Mail letter (1 oz.) rate for postage purchased at the Post Office will increase three cents to $0.58 from $0.55.
  • “Metered Mail” rates for First Class Mail letters (1 oz.), which includes online postage and postage meters, will increase two cents to $0.53. This five-cent discount compared to Post Office rates for a First Class Mail letter (1 oz.) represents a savings of 9%.
  • Each additional ounce for a First Class Mail letter (Post Office and Metered Mail rates) will cost $0.20 (no change).
  • First Class Mail Flats/Large Envelopes (1 oz.) rates will increase sixteen cents to $1.16 from $1.00. Each additional ounce will cost $0.20 (no change).
  • Postcards will increase by four cents to $0.40 from $0.36.
  • Certified Mail will increase by fifteen cents, to $3.75 from $3.60.
  • Special services such as Registered Mail, Signature Confirmation and Return Receipt will also increase in August 2021.
Post Office/Retail Rates Stamps.com Rates
Letters 2021 Postage Rates 2020 Postage Rates* 2021 Postage Rates 2020 Postage Rates*
First-Class Mail letter (1 oz.) $0.58 $0.55 $0.53 $0.50
First-Class Mail letter - each additional ounce $0.20 $0.15 $0.20 $0.15
First-Class Mail Flat/Large Envelope (1 oz.) $1.16 $1.00 $1.16 $1.00
First-Class Mail Flat/Large Envelope - each additional ounce $0.20 $0.20 $0.20 $0.20
Postcard $0.40 $0.35 $0.40 $0.35
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Post Office/Retail Rates Stamps.com Rates
Flat Rate Envelopes 2021 Postage Rates 2020 Postage Rates* 2021 Postage Rates 2020 Postage Rates*
Priority Mail Express Flat Rate Envelope $27.10 $26.35 $23.00 $22.75
Priority Mail Express Padded Flat Rate Envelope $27.70 $26.95 $24.00 $23.25
Priority Mail Express Legal Flat Rate Envelope $27.25 $26.50 $23.70 $22.95
Priority Mail Flat Rate Envelope $8.70 $7.75 $8.15 $7.15
Priority Mail Padded Flat Rate Envelope $9.30 $8.40 $8.75 $7.75
Priority Mail Legal Flat Rate Envelope $9.00 $8.05 $8.45 $7.45
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Post Office/Retail Rates Stamps.com Rates
Packages 2021 Postage Rates 2020 Postage Rates* 2021 Postage Rates 2020 Postage Rates*
Priority Mail Express (0.5 lb.) $26.60 and up $26.35 and up $23.00 and up $22.75 and up
Priority Mail Express Flat Rate Box Discontinued Discontinued Discontinued Discontinued
Priority Mail (1 lb.) $7.95 and up $7.50 and up $7.41 and up $7.02 and up
Priority Mail Small Flat Rate Box $9.20 $8.30 $8.65 $7.65
Priority Mail Medium Flat Rate Box $16.25 $15.05 $14.50 $13.20
Priority Mail Large Flat Rate Box $22.65 $21.10 $20.05 $18.30
Priority Mail APO/FPO/DPO Large Flat Rate Box $21.15 $19.60 $18.55 $16.80
Priority Mail Regional Rate Box A $10.38 and up $9.98 and up $8.08 and up $7.68 and up
Priority Mail Regional Rate Box B $10.78 and up $10.37 and up $8.48 and up $8.07 and up
Priority Mail Regional Rate Box C Discontinued Discontinued Discontinued Discontinued
First Class® Package Service (1 oz.) $4.30 and up $3.80 and up $3.31 and up $2.74 and up
Parcel Select Ground® (1 lb.) Not Available Not Available $7.26 and up $6.92 and up
Media Mail (1 lb.) $3.19 $2.80 $3.19 $2.80
Retail Ground® (formerly Standard Post® - 1 lb.) $7.95 and up $7.50 and up Not Available Not Available
Library Mail (1 lb.) $3.03 $2.66 Not Available Not Available
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Post Office/Retail Rates Stamps.com Rates
International 2021 Postage Rates 2020 Postage Rates* 2021 Postage Rates 2020 Postage Rates*
Global Express Guaranteed (0.5 lb.) $67.80 and up $67.80 and up $64.41 and up $64.41 and up
Priority Mail Express Intl (0.5 lb.) $45.95 and up $45.95 and up $42.85 and up $42.85 and up
Priority Mail Express Intl Flat Rate Box - Canada Discontinued Discontinued Discontinued Discontinued
Priority Mail Express Intl Flat Rate Box - Other Countries Discontinued Discontinued Discontinued Discontinued
Priority Mail Express Intl Flat Rate Envelopes - Canada $45.95 and up $45.95 and up $42.85 $42.85
Priority Mail Express Intl Flat Rate Envelopes - Other Countries $62.95 and up $61.65 and up $57.95 and up $56.75 and up
Priority Mail Intl (1 lb.) - Canada $37.60 and up $36.35 and up $35.71 and up $34.53 and up
Priority Mail Intl (1 lb.) - Other Countries $46.95 and up $44.50 and up $44.60 and up $42.28 and up
Priority Mail Intl Flat Rate Envelopes - Canada $28.50 $26.90 $27.10 $25.22
Priority Mail Intl Flat Rate Envelopes - Other Countries $35.45 and up $33.75 and up $33.70 and up $32.05 and up
Priority Mail Intl Small Flat Rate Box - Canada $29.55 $27.90 $28.10 $26.50
Priority Mail Intl Small Flat Rate Box - Other Countries $37.10 and up $35.35 and up $35.25 and up $33.60 and up
Priority Mail Intl Medium Flat Rate Box - Canada $54.65 $51.55 $51.90 $48.95
Priority Mail Intl Medium Flat Rate Box - Other Countries $79.75 and up $75.95 and up $72.75 and up $72.15 and up
Priority Mail Intl Large Flat Rate Box - Canada $71.05 $67.05 $67.50 $63.70
Priority Mail Intl Large Flat Rate Box - Other Countries $104.05 and up $99.10 and up $98.85 and up $94.15 and up
First Class Package Intl Service - Canada (1 lb.) $21.25 $20.75 $20.19 and up $19.71 and up
First Class Package Intl Service - Mexico (1 lb.) $21.75 $21.75 $20.66 and up $20.66 and up
First Class Package Intl Service - Other Countries (1 lb.) $24.50 and up $24.50 and up $23.28 and up $23.28 and up
First Class Mail Intl Letters - Mexico & Canada (1 oz.) $1.30 $1.20 $1.30 $1.20
First Class Mail Intl Letters - Other Countries (1 oz.) $1.30 $1.20 $1.30 $1.20
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Post Office/Retail Rates Stamps.com Rates
Special Services 2021 Postage Rates 2020 Postage Rates* 2021 Postage Rates 2020 Postage Rates*
Certified Mail™ $3.75 $3.55 $3.75 $3.55
Certificate of Mailing $1.55 $1.50 $1.55 $1.50
Registered Mail™ $13.75 and up $12.60 and up $13.75 and up $12.60 and up
USPS Tracking $0.00 $0.00 $0.00 $0.00
Restricted Delivery $5.40 $5.30 $5.40 $5.30
Return Receipt - (mail) $3.05 $2.85 $3.05 $2.85
Return Receipt - (electronic) $1.85 $1.70 $1.85 $1.70
Return Receipt - (for Merchandise) Discontinued $4.30 Discontinued $4.30
Signature Confirmation™ $3.45 $3.15 $2.90 $2.65
Adult Signature - (Basic) $6.90 $6.65 $6.90 $6.65
Adult Signature - (Person Specific) $7.15 $6.90 $7.15 $6.90
Package Intercept $15.25 $14.65 $15.25 $14.65
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* 2020 postage rates do not include the holiday surcharge fee.
Stamps.com will automatically update with the new USPS rates on Oct 3, 2021.


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