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Artificial Heart Invention
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U.S. Postal Service postage rates

New postage rates became effective January 22, 2012:

* Letters (1 ounce) - An increase of 1-cent to 45 cents.

* First-Class letter additional ounces (for letters over 1 ounce) remain unchanged at 20 cents.

* Postcards - An increase of 3-cents to 32 cents.

* Letters to Canada or Mexico (1 ounce) - An increase of 5-cents to 85 cents.

* Letters to other international destinations - An increase of 7-cents to $1.05.

Good news for business mailers: Effective January 22, 2012, the second ounce for First-Class Mail Presort is free. This gives high-volume commercial mailers expanded opportunities to advertise new services and products to their customers as part of bill and statement First-Class Mail automation, Presort mailings weighing between one and two ounces.


U.S.P.S. rates for domestic mail
U.S. postage rates for Current
Standard First-Class Letter (1 ounce) * 45¢
Standard First-Class Letter (up to 2 ounces) * 65¢
Standard First-Class Letter (up to 3 ounces) * 85¢
Postcard 32¢

* Shape-based pricing
The shape-based classification system has brought significant and rather intricate changes to sending many First-Class mailings. Postage rates are now based not only on weight, but also on the shape of First-Class Mail and parcels. Mail that fails to meet any of the shape-based pricing minimum or maximum dimension classifications for standard mail are subject to additional surcharges.

NOTE: The cost to mail a standard post card or standard First-Class letter sent to or from Alaska or Hawaii is the same amount as those sent to any other U.S. state.


U.S.P.S. shape-based pricing (maximum dimensions)
Shaped-based category Maximum length Maximum height Maximum thickness Maximum weight
Postcards (postage is 32¢) 6" 4 1/4" 0.016"
Letters * (45¢ for 1st ounce) 11 1/2" 6 1/8" 1/4" 3.5 ounces
Large envelopes (Manila, Tyvek and similar large, flat envelopes)** 15" 12" 3/4" 13 ounces

* If your letter exceeds any of the above letter dimensions it will be classified and priced as a large envelope (flat). All First-Class Mail nonmachinable letters are subject to a 20-cent nonmachinable surcharge.

** If your large envelope (Manila, Tyvek and other similar large, flat envelopes) exceeds any of the above large envelope dimensions it will be classified and priced as a package. Large envelopes must be flexible, rectangular and uniformly thick. A large envelope that exceeds 13 ounces is classified and priced as Priority Mail.


NOTE: Mail that has clasps, strings, buttons, or similar closure devices, or mail containing items such as pens, pencils, loose keys or coins that cause the thickness of the mailpiece to be uneven, may incur a nonmachinable surcharge. Items that are too rigid, too small, have excess corner radius, or irregular shapes, such as square envelopes, or tubes may also require additional postage.


U.S.P.S. shape-based pricing (minimum dimensions)
Shaped-based category Minimum length Minimum height Minimum thickness
Postcards (postage is 32¢) 5" 3 1/2" 0.007"
Letters (45¢ for 1st ounce) 5" 3 1/2" 0.007"
Large envelopes (Manila, Tyvek and similar large, flat envelopes) 11 1/2" 6 1/8"



First-Class retail flats (Manila envelopes)
Rates for Manila, Tyvek and similar large, flat envelopes Current
First-Class Mail retail flat (1 ounce) 90¢
First-Class Mail retail flat (up to 2 ounces) $1.10
First-Class Mail retail flat (up to 3 ounces) $1.30
First-Class Mail retail flat (up to 4 ounces) $1.50
First-Class Mail retail flat (up to 5 ounces) $1.70
First-Class Mail retail flat (up to 6 ounces) $1.90
First-Class Mail retail flat (up to 7 ounces) $2.10
First-Class Mail retail flat (up to 8 ounces) $2.30
First-Class Mail retail flat (up to 9 ounces) $2.50
First-Class Mail retail flat (up to 10 ounces) $2.70
First-Class Mail retail flat (up to 11 ounces) $2.90
First-Class Mail retail flat (up to 12 ounces) $3.10
First-Class Mail retail flat (up to 13 ounces) $3.30


First-Class retail parcels
Rates for boxes and similar parcels Current
First-Class Mail retail parcels (1 ounce) $1.95
First-Class Mail retail parcels (up to 2 ounces) $1.95
First-Class Mail retail parcels (up to 3 ounces) $1.95
First-Class Mail retail parcels (up to 4 ounces) $2.12
First-Class Mail retail parcels (up to 5 ounces) $2.29
First-Class Mail retail parcels (up to 6 ounces) $2.46
First-Class Mail retail parcels (up to 7 ounces) $2.63
First-Class Mail retail parcels (up to 8 ounces) $2.80
First-Class Mail retail parcels (up to 9 ounces) $2.97
First-Class Mail retail parcels (up to 10 ounces) $3.14
First-Class Mail retail parcels (up to 11 ounces) $3.31
First-Class Mail retail parcels (up to 12 ounces) $3.48
First-Class Mail retail parcels (up to 13 ounces) $3.65
(Any package that exceeds 13 ounces is classified and priced as Priority Mail)


USPS Fees and Service Charges
U.S. rates for Current
Certified Mail $2.95
Restricted delivery (Fee, per item, in addition to postage and other fees) $4.55
Money Orders (up to $500) $1.15
Money Orders ($500.01 - $1,000.00) $1.55
Postal military money order (issued by military facilities) 30¢


USPS Delivery Confirmation services
U.S. rates for delivery confirmation Current
First Class Mail (Retail) 85¢
Standard Mail (Electronic) 19¢
Priority Mail (Retail) 75¢
Priority Mail (Electronic) 0.00


USPS Signature Confirmation services
U.S. rates for signature confirmation Current
First-Class Mail (Retail) $2.55
First-Class Mail (Electronic) $2.10
Priority Mail (Retail) $2.55
Priority Mail (Electronic) $2.10


USPS Return Receipt rates
Return Receipt Current
Return Receipt requested at the time of mailing (receive by mail) $2.35
Return Receipt requested at the time of mailing (receive electronically) $1.15
Return Receipt requested after mailing $4.75


USPS International Postage Rates
International Postage Rates Current
Postcards to Canada 85¢
First-Class Mail International (Airmail Letter-post) to Canada (1 ounce) 85¢
First-Class Mail International (Airmail Letter-post) to Canada (2 ounces) $1.17
First-Class Mail International (Airmail Letter-post) to Canada (3 ounces) $1.49
Postcards and Letters to Mexico (not over 1 ounce) 85¢
Postcards and Letters to all other countries (not over 1 ounce) $1.05


Visit our comprehensive list of U.S. Postal Service mail holidays - UPS holidays - FedEx holidays - DHL holidays.

Information on rate changes and postage increases can be found at U.S. Postal Service Rate Increases and Proposed Changes.

NOTE: Internet Accuracy Project is not affiliated with the U.S. Postal Service, UPS, DHL, FedEx or any other mail or parcel delivery company.


USPS two-letter state abbreviations / Canadian province abbreviations

We provide this list of two-letter Postal Service state abbreviations in an attempt to prevent the further spread of erroneous data based on misinterpretation of the U.S. Postal Service state abbreviations.

You'll also find a list of two-letter Canadian province abbreviations for your Canada Post mailings.

Some of the most commonly confused Postal Service state abbreviations are, Michigan (MI), Minnesota (MN), Mississippi (MS), and Missouri (MO). State abbreviations for Alaska (AK) and Alabama (AL) are also occasionally reversed.



AK = ALASKA
AL = ALABAMA
AR = ARKANSAS
AS = AMERICAN SAMOA
AZ = ARIZONA
CA = CALIFORNIA
CO = COLORADO
CT = CONNECTICUT
DC = WASHINGTON, DISTRICT OF COLUMBIA
DE = DELAWARE
FL = FLORIDA
FM = FEDERATED STATES OF MICRONESIA
GA = GEORGIA
GU = GUAM
HI = HAWAII
IA = IOWA
ID = IDAHO
IL = ILLINOIS
IN = INDIANA
KS = KANSAS
KY = KENTUCKY
LA = LOUISIANA
MA = MASSACHUSETTS
MD = MARYLAND
ME = MAINE
MH = MARSHALL ISLANDS
MI = MICHIGAN
MN = MINNESOTA
MO = MISSOURI
MP = NORTHERN MARIANA ISLANDS
MS = MISSISSIPPI
MT = MONTANA
NC = NORTH CAROLINA
ND = NORTH DAKOTA
NE = NEBRASKA
NH = NEW HAMPSHIRE
NJ = NEW JERSEY
NM = NEW MEXICO
NV = NEVADA
NY = NEW YORK
OH = OHIO
OK = OKLAHOMA
OR = OREGON
PA = PENNSYLVANIA
PR = PUERTO RICO
RI = RHODE ISLAND
SC = SOUTH CAROLINA
SD = SOUTH DAKOTA
TN = TENNESSEE
TX = TEXAS
UT = UTAH
VA = VIRGINIA
VI = VIRGIN ISLANDS
VT = VERMONT
WA = WASHINGTON
WI = WISCONSIN
WV = WEST VIRGINIA
WY = WYOMING


U.S. map with two-letter state abbreviations
U.S. map with two-letter state abbreviations


CANADA
AB = Alberta
BC = British Columbia
MB = Manitoba
NB = New Brunswick
NL = Newfoundland and Labrador *
NS = Nova Scotia
NT = Northwest Territories
NU = Nunavut
ON = Ontario
PE = Prince Edward Island
QC = Quebec
SK = Saskatchewan
YT = Yukon


* NOTE: December 6, 2001, the Governor General of Canada proclaimed the constitutional amendment changing the name of the Province of Newfoundland to Newfoundland and Labrador.

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