How to ensure the address you enter matches IRS records?

When entering a payer or recipient address, we recommend using USPS formatting standards to help ensure accuracy. This is particularly important for recipient addresses, as even small formatting discrepancies can lead to postal delivery issues or delays—especially when Postal Mailing is enabled for form distribution.

USPS Format
USPS provides standardized formats for various address types. For example, writing "CNTY HWY 20" instead of "COUNTY HIGHWAY 20" may seem minor, but automated mail sorting systems might flag it or misread it. 

Here are some of the common examples:

Examples in Use

Standard USPS Format

COUNTY HIGHWAY 140

COUNTY HIGHWAY 140

COUNTY HWY 60E

COUNTY HIGHWAY 60E

CNTY HWY 20

COUNTY HIGHWAY 20

COUNTY RD 441

COUNTY ROAD 441

COUNTY ROAD 110

COUNTY ROAD 110

CR 1185

COUNTY ROAD 1185

CNTY RD 33

COUNTY ROAD 33

CA COUNTY RD 150

CA COUNTY ROAD 150

CALIFORNIA COUNTY ROAD 555 (excessive characters)

CA COUNTY ROAD 555

EXPRESSWAY 55

EXPRESSWAY 55

FARM to MARKET 1200

FM 1200

FM 187

FM 187

HWY FM 1320

FM 1320

HIGHWAY 101

HIGHWAY 101

HIWAY 1080A

HIGHWAY 1080A

HWY 64

HIGHWAY 64

HWY 11 BYPASS

HIGHWAY 11 BYP

HWY 66 FRONTAGE ROAD

HIGHWAY 66 FRONTAGE RD

HIGHWAY 3 BYP ROAD

HIGHWAY 3 BYPASS RD

I10

INTERSTATE 10

INTERSTATE 40

INTERSTATE 40

IH280

INTERSTATE 280

INTERSTATE HWY 680

INTERSTATE 680

I 55 BYPASS

INTERSTATE 55 BYP

I 26 BYP ROAD

INTERSTATE 26 BYPASS RD

I 44 FRONTAGE ROAD

INTERSTATE 44 FRONTAGE RD

LOOP 410

LOOP 410

RD 5A

ROAD 5A

ROAD 22

ROAD 22

RT 88

ROUTE 88

RTE 95

ROUTE 95

ROUTE 1150EE

ROUTE 1150EE

RANCH RD 620

RANCH ROAD 620

ST HIGHWAY 303

STATE HIGHWAY 303

STATE HWY 60

STATE HIGHWAY 60

SR 220

STATE ROAD 220

ST RD 86

STATE ROAD 86

STATE ROAD 55

STATE ROAD 55

SR MM

STATE ROUTE MM

ST RT 175

STATE ROUTE 175

STATE RTE 260

STATE ROUTE 260

TOWNSHIP RD 20

TOWNSHIP ROAD 20

TSR 45

TOWNSHIP ROAD 45

US 41 SW

US HIGHWAY 41 SW

US HWY 44

US HIGHWAY 44

US HIGHWAY 70

US HIGHWAY 70

KENTUCKY 440

KY HIGHWAY 440

KENTUCKY HIGHWAY 189

KY HIGHWAY 189

KY 1207

KY HIGHWAY 1207

KY HWY 75

KY HIGHWAY 75

KY ST HWY 1

KY STATE HIGHWAY 1

KY STATE HIGHWAY 24

KY STATE HIGHWAY 24

KENTUCKY STATE HIGHWAY 625
(excessive characters)

KY STATE HIGHWAY 625

For complete instructions, click here.

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