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S 4505
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A bill to require the United States Postal Service to designate ZIP Codes for certain communities.

S. 4505 To require the United States Postal Service to designate ZIP Codes for certain communities.

Introduced May 12, 2026

Latest action (Aug 6, 2026) Placed on Senate Legislative Calendar under General Orders. Calendar No. 546.

Referred to
Homeland Security and Governmental Affairs Committee
Policy area
Government Operations and Politics
Legislative subjects (24)
CaliforniaColoradoConnecticutFloridaIllinoisIndianaIowaKentuckyLouisianaMinnesotaNevadaNew HampshireNew JerseyNew York StateNorth CarolinaOhioOklahomaPostal serviceSouth CarolinaTexasUtahVirginiaWisconsinWyoming

Summary

- Requires the United States Postal Service to designate a single, unique ZIP Code for each of 83 specified communities across the United States within one year of enactment.

AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.

Sponsor (1)
9 cosponsors

Money behind the sponsor

Top reported contributors to Joni Ernst’s campaign committee (2024 cycle) — who funds the bill’s sponsor, not a claim about this bill. Data from FEC.

  • NULL $57,653
  • CAPITAL GROUP $40,000
  • SOROBAN CAPITAL $13,200
  • CAPITAL GROUP COMPANIES $7,500
  • GOOGLE $6,800

Organizations whose employees gave the most — itemized individual contributions grouped by the donor’s reported employer (FEC Schedule A). Full finance for Joni Ernst → · Outside spending →

Actions (5)
  1. Aug 6, 2026 Placed on Senate Legislative Calendar under General Orders. Calendar No. 546. · senate
  2. Aug 6, 2026 Committee on Homeland Security and Governmental Affairs. Reported by Senator Paul with an amendment in the nature of a substitute. Without written report. · senate
  3. Aug 6, 2026 Committee on Homeland Security and Governmental Affairs. Ordered to be reported with an amendment in the nature of a substitute favorably. · senate
  4. May 12, 2026 Read twice and referred to the Committee on Homeland Security and Governmental Affairs. · senate
  5. May 12, 2026 Introduced in Senate

More bills on these subjects (8)

Other bills that carry the most legislative subjects in common with this one (topical discovery — distinct from the procedural related bills above).

  • HR 3095 — To direct the United States Postal Service to designate single, unique ZIP Codes for certain communities, and for other purposes. (shares 22 subjects)
  • HR 3838 — Streamlining Procurement for Effective Execution and Delivery and National Defense Authorization Act for Fiscal Year 2026 (shares 20 subjects)
  • HR 2293 — Cormorant Relief Act of 2025 (shares 17 subjects)
  • S 1255 — Cormorant Relief Act of 2025 (shares 17 subjects)
  • S 2296 — National Defense Authorization Act for Fiscal Year 2026 (shares 16 subjects)
  • S 1071 — National Defense Authorization Act for Fiscal Year 2026 (shares 15 subjects)
  • HR 1514 — Mississippi River Basin Fishery Commission Act of 2025 (shares 14 subjects)
  • HR 4553 — Energy and Water Development and Related Agencies Appropriations Act, 2026 (shares 14 subjects)

Similar bills (6)

Bills with similar text or summary — includes reintroductions across Congresses. Ranked by semantic similarity of the bill text (computed locally); a neutral discovery aid, not a claim the bills are duplicates.

  • S 2961 — A bill to direct the United States Postal Service to designate single, unique ZIP Codes for certain communities, and for other purposes. · Introduced Oct 1, 2025 · Cong. 119 78%
  • S 2364 — A bill to direct the United States Postal Service to designate single, unique ZIP Codes for certain communities, and for other purposes. · Introduced Jul 21, 2025 · Cong. 119 75%
  • S 3176 — A bill to direct the United States Postal Service to designate single, unique ZIP Codes for certain Oklahoma communities, and for other purposes. · Introduced Nov 18, 2025 · Cong. 119 68%
  • S 1455 — A bill to establish new ZIP Codes for certain communities, and for other purposes. · Introduced Apr 10, 2025 · Cong. 119 67%
  • HR 1225 — To direct the United States Postal Service to designate a single, unique ZIP Code for Eastvale, California. · Introduced Feb 12, 2025 · Cong. 119 66%
  • S 64 — A bill to direct the United States Postal Service to designate a single, unique ZIP Code for Fairlawn, Virginia, and for other purposes. · Introduced Jan 9, 2025 · Cong. 119 64%

Text versions (2)
  • Reported to Senate · Aug 6, 2026
  • Introduced in Senate · May 12, 2026

Committee action

What happened to this bill in committee — the meetings where it was considered and every recorded vote taken on it.

Meetings where this bill was on the agenda

Full text

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.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

SECTION 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.

SECTION 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. Calendar No. 546

119th CONGRESS

2d Session

S. 4505

A BILL

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

August 6, 2026

Reported with an amendment

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