S. 4505 · Senate bill · 119th Congress

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

Sponsored by Sen. Joni Ernst, Iowa with 10 co-sponsors

Introduced May 12, 2026

Referred to the Homeland Security and Governmental Affairs Committee

Latest action Aug 6, 2026

SponsorSen. Joni Ernst, Iowa· 10 cosponsorsSen. Alex Padilla, CaliforniaSen. John Barrasso, Wyoming

Show 8 more cosponsors

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BillFull text · congress.gov(opens in a new tab)

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About 200 words

Contents

Sec. 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.