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S. 4505Senate119th Congress (2025-2027)In Committee

A bill to require the United States Postal Service to designate ZIP Codes for certain communities.

Sponsored by Joni ErnstSen. Joni Ernst (R-IA)
Introduced May 12, 2026

AI-Generated Summary

Updated August 8, 2026 at 3:21 AM UTC

The bill requires the United States Postal Service to assign a distinct ZIP Code to each of a specified list of communities across the United States. The USPS must complete this assignment within one year after the law takes effect. The rule would affect the listed towns, cities, and other locales by giving them their own postal code for mail delivery and address purposes.

Key Provisions

  • Within one year of enactment, the USPS must create a single, unique ZIP Code for each community named in the bill.
  • The bill provides an extensive list of about 80 communities in states such as California, Colorado, Florida, Indiana, Texas, Wisconsin, and others, which would each receive their own ZIP Code.

Legislative Activity

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4 earlier actions
SenateCalendars Latest Action

Placed on Senate Legislative Calendar under General Orders. Calendar No. 546.

August 6, 2026

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SenateIntro Referral

Introduced in Senate

May 12, 2026

SenateIntro Referral

Read twice and referred to the Committee on Homeland Security and Governmental Affairs.

Homeland Security and Governmental Affairs Committee

May 12, 2026

SenateCommittee

Committee on Homeland Security and Governmental Affairs. Ordered to be reported with an amendment in the nature of a substitute favorably.

Homeland Security and Governmental Affairs Committee

August 6, 2026

SenateCommittee

Committee on Homeland Security and Governmental Affairs. Reported by Senator Paul with an amendment in the nature of a substitute. Without written report.

Homeland Security and Governmental Affairs Committee

August 6, 2026

SenateCalendars

Placed on Senate Legislative Calendar under General Orders. Calendar No. 546.

August 6, 2026

Bill Text

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Reported to SenateIssued August 6, 2026

II

Calendar No. 546

119th CONGRESS

2d Session

S. 4505

IN THE SENATE OF THE UNITED STATES

May 12, 2026

Ms. Ernst (for herself, Mr. Padilla, Mr. Barrasso, Mr. Bennet, Mr. Scott of Florida, Mr. Blumenthal, Mr. Moreno, Mr. Durbin, Mr. Lankford, and Mrs. Shaheen) introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs

August 6, 2026

Reported by Mr. Paul, with an amendment

Strike out all after the enacting clause and insert the part printed in italic

A BILL

To require the United States Postal Service to designate ZIP Codes for certain communities.

1.

Designation of ZIP Codes

Not later than 1 year after the date of enactment of this Act, the United States Postal Service shall designate a single, unique ZIP Code for each of the following communities:

(1)

Canyon Lake, California.

(2)

Eastvale, California.

(3)

Hidden Hills, California.

(4)

Industry, California.

(5)

Irwindale, California.

(6)

North Tustin, California.

(7)

Rossmoor, California.

(8)

San Pablo, California.

(9)

Tehachapi, California.

(10)

Torrance, California.

(11)

Castle Pines, Colorado.

(12)

Centennial, Colorado.

(13)

Cherry Hills Village, Colorado.

(14)

Frederick, Colorado.

(15)

Greenwood Village, Colorado.

(16)

Highlands Ranch, Colorado.

(17)

Keystone, Colorado.

(18)

Lone Tree, Colorado.

(19)

Mountain Village, Colorado.

(20)

Mt. Crested Butte, Colorado.

(21)

Severance, Colorado.

(22)

Silver Cliff, Colorado.

(23)

Sterling Ranch, Colorado.

(24)

Superior, Colorado.

(25)

Telluride, Colorado.

(26)

Scotland, Connecticut.

(27)

Coconut Creek, Florida.

(28)

Cooper City, Florida.

(29)

Deerfield Beach, Florida.

(30)

Fort Myers, Florida.

(31)

Lighthouse Point, Florida.

(32)

Miami Lakes, Florida.

(33)

Oakland Park, Florida.

(34)

Ocoee, Florida.

(35)

Parkland, Florida.

(36)

Village of Estero, Florida.

(37)

Wilton Manors, Florida.

(38)

Burr Ridge, Illinois.

(39)

Carmel, Indiana.

(40)

Noblesville, Indiana.

(41)

Lawrence, Indiana.

(42)

Westfield, Indiana.

(43)

Zionsville, Indiana.

(44)

Urbandale, Iowa.

(45)

Camargo, Kentucky.

(46)

Louisiana State University, Baton Rouge, Louisiana.

(47)

Montz, Louisiana.

(48)

Springwater Township, Minnesota.

(49)

Quartzite Township, Minnesota.

(50)

Grass Valley, Nevada.

(51)

Swanzey, New Hampshire.

(52)

Kinnelon, New Jersey.

(53)

Flanders, New York.

(54)

Glendale, New York.

(55)

Pendleton, New York.

(56)

Riverside, New York.

(57)

Wheatfield, New York.

(58)

Weddington, North Carolina.

(59)

Green, Ohio.

(60)

Hochatown, Oklahoma.

(61)

North Enid, Oklahoma.

(62)

Goose Creek, South Carolina.

(63)

Mauldin, South Carolina.

(64)

Fairview, Texas.

(65)

Fate, Texas.

(66)

Heath, Texas.

(67)

Josephine, Texas.

(68)

Murphy, Texas.

(69)

Northlake, Texas.

(70)

Parker, Texas.

(71)

Sargent, Texas.

(72)

Highland City, Utah.

(73)

Fairlawn, Virginia.

(74)

Star Valley Ranch, Wyoming.

(75)

Mills, Wyoming.

1.

Designation of ZIP Codes

Not later than 1 year after the date of enactment of this Act, the United States Postal Service shall designate a single, unique ZIP Code for each of the following communities:

(1)

Canyon Lake, California.

(2)

Eastvale, California.

(3)

Hidden Hills, California.

(4)

Industry, California.

(5)

Irwindale, California.

(6)

North Tustin, California.

(7)

Rossmoor, California.

(8)

San Pablo, California.

(9)

Tehachapi, California.

(10)

Torrance, California.

(11)

Castle Pines, Colorado.

(12)

Centennial, Colorado.

(13)

Cherry Hills Village, Colorado.

(14)

Frederick, Colorado.

(15)

Greenwood Village, Colorado.

(16)

Highlands Ranch, Colorado.

(17)

Keystone, Colorado.

(18)

Lone Tree, Colorado.

(19)

Mountain Village, Colorado.

(20)

Mt. Crested Butte, Colorado.

(21)

Severance, Colorado.

(22)

Silver Cliff, Colorado.

(23)

Sterling Ranch, Colorado.

(24)

Superior, Colorado.

(25)

Telluride, Colorado.

(26)

Scotland, Connecticut.

(27)

Coconut Creek, Florida.

(28)

Cooper City, Florida.

(29)

Deerfield Beach, Florida.

(30)

Fort Myers, Florida.

(31)

Lighthouse Point, Florida.

(32)

Miami Lakes, Florida.

(33)

Oakland Park, Florida.

(34)

Ocoee, Florida.

(35)

Parkland, Florida.

(36)

Village of Estero, Florida.

(37)

Wilton Manors, Florida.

(38)

Burr Ridge, Illinois.

(39)

Carmel, Indiana.

(40)

Noblesville, Indiana.

(41)

Lawrence, Indiana.

(42)

Westfield, Indiana.

(43)

Zionsville, Indiana.

(44)

Urbandale, Iowa.

(45)

Camargo, Kentucky.

(46)

Louisiana State University, Baton Rouge, Louisiana.

(47)

Montz, Louisiana.

(48)

Springwater Township, Minnesota.

(49)

Quartzite Township, Minnesota.

(50)

Grass Valley, Nevada.

(51)

Swanzey, New Hampshire.

(52)

Kinnelon, New Jersey.

(53)

Flanders, New York.

(54)

Glendale, New York.

(55)

Pendleton, New York.

(56)

Riverside, New York.

(57)

Wheatfield, New York.

(58)

Weddington, North Carolina.

(59)

Green, Ohio.

(60)

Hochatown, Oklahoma.

(61)

North Enid, Oklahoma.

(62)

Goose Creek, South Carolina.

(63)

Mauldin, South Carolina.

(64)

Fairview, Texas.

(65)

Fate, Texas.

(66)

Heath, Texas.

(67)

Josephine, Texas.

(68)

Murphy, Texas.

(69)

Northlake, Texas.

(70)

Parker, Texas.

(71)

Sargent, Texas.

(72)

Highland City, Utah.

(73)

Fairlawn, Virginia.

(74)

Caledonia, Wisconsin.

(75)

Franklin, Wisconsin.

(76)

Glendale, Wisconsin.

(77)

Greenfield, Wisconsin.

(78)

Rochester, Wisconsin.

(79)

Village of Harrison, Wisconsin.

(80)

Village of Mount Pleasant, Wisconsin.

(81)

Village of Somers, Wisconsin.

(82)

Mills, Wyoming.

(83)

Star Valley Ranch, Wyoming.

August 6, 2026

Reported with an amendment