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S. 4505
U.S. Senate•Senate Floor Calendar
Summary
S. 4505, a bill to require the United States Postal Service to designate ZIP Codes for certain communities, was introduced in the Senate on May 12, 2026 by Sen. Joni Ernst (R) with 9 co-sponsors. It last saw action on Aug 6, 2026: Placed on Senate Legislative Calendar under General Orders. Calendar No. 546.
Record
Text
S. 4505 has 9 co-sponsors.
sb4505/introduced-in-senate.txt119 S4505 IS: To require the United States Postal Service to designate ZIP Codes for certain communities.U.S. Senate2026-05-12text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.II 119th CONGRESS 2d Session S. 4505 IN THE SENATE OF THE UNITED STATES May 12, 2026 Ms. Ernst (for herself, Mr. Padilla , Mr. Barrasso , and Mr. Bennet ) introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs A BILLTo require the United States Postal Service to designate ZIP Codes for certain communities.1.Designation of ZIP CodesNot 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.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2026-05-12
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
A bill to require the United States Postal Service to designate ZIP Codes for certain communities.
Sponsors
Sen. Joni Ernst (R) sponsors S. 4505, and 9 members have co-sponsored it, 3 of them from the day it was introduced.

Sen. · R–IA · Sponsor
Introduced May 12, 2026

Sen. · R–WY · Co-sponsor
Joined May 12, 2026 · Original

Sen. · D–CO · Co-sponsor
Joined May 12, 2026 · Original

Sen. · D–CA · Co-sponsor
Joined May 12, 2026 · Original

Sen. · D–CT · Co-sponsor
Joined May 19, 2026

Sen. · R–FL · Co-sponsor
Joined May 19, 2026

Sen. · D–IL · Co-sponsor
Joined Jul 13, 2026

Sen. · R–OH · Co-sponsor
Joined Jul 13, 2026

Sen. · R–OK · Co-sponsor
Joined Jul 30, 2026

Sen. · D–NH · Co-sponsor
Joined Aug 4, 2026
Committees
S. 4505 went before 1 committee: Homeland Security and Governmental Affairs.

Actions
S. 4505 has taken 5 actions since May 12, 2026, the latest on Aug 6, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Aug 6, 2026 | Senate | 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 | ||
Aug 6, 2026 | Senate | 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 | ||
Aug 6, 2026 | Senate | Placed on Senate Legislative Calendar under General Orders. Calendar No. 546. | ||
May 12, 2026 | Senate | Read twice and referred to the Committee on Homeland Security and Governmental Affairs.Homeland Security and Governmental Affairs Committee | ||
May 12, 2026 | — | Introduced in Senate |
Votes
S. 4505 has not gone to a roll call.
Related bills
1 bill is related to S. 4505.
Titles
S. 4505 goes by 2 titles.
- A bill to require the United States Postal Service to designate ZIP Codes for certain communities. — Official Title as Introduced
- A bill to require the United States Postal Service to designate ZIP Codes for certain communities. — Display Title
Lobbying
2 clients hired 1 firm and 6 registered lobbyists who named S. 4505 in 2 quarterly filings, 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Postal, Budget/Appropriations.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| NATIONAL ZIP CODE ADVOCACY COALITION (INFORMAL COALITION) | Coalition | California | 1 | 1 | $40K |
| CITY OF FORT MYERS, FLORIDA | Municipality | Florida | 1 | 1 | $20K |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| VAN SCOYOC ASSOCIATES | 2 | 2 | $60K |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| HARRY GLENN | 1 | 2 | 2 |
| JAMES CRUM | 1 | 2 | 2 |
| MAGGIE MCGRANE | 1 | 2 | 2 |
| WILL SMITH | 1 | 2 | 2 |
| JOHN DOWD | 1 | 1 | 1 |
| RODNEY EMERY | 1 | 1 | 1 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| NATIONAL ZIP CODE ADVOCACY COALITION (INFORMAL COALITION) | VAN SCOYOC ASSOCIATES | 2026 second_quarter | $40K | 2nd Quarter - Report |
| CITY OF FORT MYERS, FLORIDA | VAN SCOYOC ASSOCIATES | 2026 second_quarter | $20K | 2nd Quarter - Report |
Classification
The Congressional Research Service files S. 4505 under Government Operations and Politics, one of its 31 policy areas, and gives it 24 legislative subjects.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 4505’s is Government Operations and Politics.
s4505/policy-areas.txtLegislative Subjects
S. 4505 carries 24 of CRS’s legislative subjects, from California to Wyoming.
s4505/subjects.txtSource: congress.gov · legiscan.com
