ZIP codes and county lines in Alabama

254 of the 658 ZIP code areas in Alabama, or 38.6%, overlap more than one county. If your territories, tax rules or service areas are set by county and your list is by ZIP, these are the rows where the two disagree.

ZIP code areas: 658
In more than one county: 254
At least 5% in a second county: 199
Cross a state line: 3

How Alabama compares

Alabama ranks 17 of 52 (the 50 states, DC and Puerto Rico) by the share of its ZIP code areas that overlap more than one county. 67 of its counties have at least one split ZIP code area along an edge. 3 of its ZIP code areas also reach into Georgia and Mississippi, so a ZIP list that is meant to stop at the state line does not.

Counties with the most split ZIP code areas

Jefferson County: 20 ZIP codes shared with another county
DeKalb County: 17 ZIP codes shared with another county
Marshall County: 16 ZIP codes shared with another county
Blount County: 13 ZIP codes shared with another county
Coffee County: 13 ZIP codes shared with another county

Every split ZIP code area in Alabama

Each row is one ZCTA and the counties its land falls in, largest share first. Counties in another state are marked with that state. Sort by the share outside the main county to put the most evenly divided ones first.

	Share of land by county
30165	Floyd County, GA 98.1% Cherokee County 1.0% Chattooga County, GA 0.9%	1.9%	3
35006	Jefferson County 95.6% Walker County 2.3% Tuscaloosa County 2.0%	4.4%	3
35010	Tallapoosa County 77.3% Coosa County 20.0% Elmore County 2.7%	22.7%	3
35016	Marshall County 68.7% Cullman County 21.2% Blount County 5.6% Morgan County 4.5%	31.3%	4
35019	Cullman County 63.2% Morgan County 36.8%	36.8%	2
35022	Jefferson County 93.7% Shelby County 6.3%	6.3%	2
35033	Cullman County 87.8% Walker County 12.2%	12.2%	2
35034	Bibb County 88.3% Perry County 11.7%	11.7%	2
35035	Bibb County 94.4% Shelby County 5.6%	5.6%	2
35040	Shelby County 83.2% Chilton County 16.9%	16.9%	2
35042	Bibb County 82.9% Perry County 17.1%	17.1%	2
35046	Chilton County 78.4% Coosa County 21.6%	21.6%	2
35053	Cullman County 90.9% Winston County 9.1%	9.1%	2
35062	Jefferson County 65.1% Walker County 34.9%	34.9%	2
35063	Walker County 87.6% Blount County 9.2% Jefferson County 3.2%	12.4%	3
35072	Coosa County 46.6% Clay County 42.1% Tallapoosa County 11.1% Talladega County 0.2%	53.4%	4
35079	Blount County 99.9% Jefferson County under 0.1%	under 0.1%	2
35080	Shelby County 99.5% Jefferson County 0.5%	0.5%	2
35087	Cullman County 48.4% Morgan County 38.5% Marshall County 13.1%	51.6%	3
35089	Coosa County 81.8% Tallapoosa County 18.2%	18.2%	2
35094	Jefferson County 52.4% Shelby County 32.4% St. Clair County 15.2%	47.6%	3
35096	Talladega County 88.5% Calhoun County 11.5%	11.5%	2
35098	Cullman County 85.9% Winston County 14.1%	14.1%	2
35111	Jefferson County 54.5% Tuscaloosa County 42.7% Bibb County 2.8%	45.5%	3
35115	Shelby County 70.1% Chilton County 18.1% Bibb County 11.9%	29.9%	3
35121	Blount County 97.1% St. Clair County 2.1% Etowah County 0.8%	2.9%	3
35126	Jefferson County 96.6% Blount County 3.4%	3.4%	2
35128	St. Clair County 98.1% Shelby County 1.9%	1.9%	2
35130	Walker County 56.0% Jefferson County 44.0%	44.0%	2
35133	Blount County 92.2% St. Clair County 7.8%	7.8%	2
35146	St. Clair County 81.7% Blount County 15.7% Jefferson County 2.6%	18.3%	3
35148	Walker County 98.0% Jefferson County 2.0%	2.0%	2
35150	Talladega County 97.3% Coosa County 2.3% Clay County 0.4%	2.7%	3
35151	Talladega County 51.9% Coosa County 48.1%	48.1%	2
35160	Talladega County 77.1% Clay County 22.9%	22.9%	2
35172	Blount County 81.2% Jefferson County 18.9%	18.9%	2
35173	Jefferson County 76.1% St. Clair County 23.9%	23.9%	2
35175	Marshall County 82.2% Morgan County 17.8%	17.8%	2
35178	Shelby County 78.8% St. Clair County 21.2%	21.2%	2
35179	Cullman County 91.0% Winston County 4.6% Morgan County 4.4%	9.0%	3
35180	Jefferson County 63.6% Blount County 36.4%	36.4%	2
35184	Bibb County 99.8% Tuscaloosa County 0.3%	0.3%	2
35188	Bibb County 73.5% Tuscaloosa County 26.5%	26.5%	2
35216	Jefferson County 98.2% Shelby County 1.8%	1.8%	2
35242	Shelby County 79.9% Jefferson County 20.1%	20.1%	2
35243	Jefferson County 98.0% Shelby County 2.0%	2.0%	2
35244	Shelby County 53.6% Jefferson County 46.4%	46.4%	2
35442	Pickens County 74.4% Sumter County 20.4% Greene County 5.2%	25.6%	3
35444	Tuscaloosa County 93.4% Jefferson County 6.6%	6.6%	2
35463	Tuscaloosa County 83.6% Greene County 16.4%	16.4%	2
35464	Sumter County 90.8% Greene County 9.2%	9.2%	2
35466	Pickens County 86.1% Tuscaloosa County 13.9%	13.9%	2
35469	Greene County 79.5% Tuscaloosa County 20.5%	20.5%	2
35474	Hale County 89.3% Tuscaloosa County 10.7%	10.7%	2
35480	Tuscaloosa County 72.8% Greene County 27.2%	27.2%	2
35503	Walker County 91.4% Winston County 8.6%	8.6%	2
35540	Winston County 97.9% Cullman County 2.1%	2.1%	2
35541	Winston County 98.9% Cullman County 1.1%	1.1%	2
35546	Tuscaloosa County 48.7% Fayette County 43.4% Walker County 8.0%	51.3%	3
35549	Fayette County 50.9% Walker County 49.1%	49.1%	2
35552	Marion County 60.4% Lamar County 39.6%	39.6%	2
35554	Fayette County 55.6% Walker County 25.3% Marion County 19.1%	44.4%	3
35555	Fayette County 87.8% Tuscaloosa County 7.1% Lamar County 4.0% Pickens County 1.1%	12.2%	4
35563	Marion County 88.0% Fayette County 6.9% Lamar County 5.1%	12.0%	3
35564	Marion County 92.9% Franklin County 7.1%	7.1%	2
35565	Winston County 53.4% Marion County 23.1% Lawrence County 17.6% Franklin County 5.9%	46.6%	4
35570	Marion County 99.1% Lamar County 0.9%	0.9%	2
35571	Franklin County 77.9% Marion County 22.1%	22.1%	2
35574	Lamar County 53.5% Pickens County 34.1% Fayette County 12.4%	46.5%	3
35576	Lamar County 80.4% Pickens County 19.6%	19.6%	2
35578	Walker County 64.4% Winston County 35.6%	35.6%	2
35579	Walker County 77.0% Tuscaloosa County 23.1%	23.1%	2
35581	Franklin County 87.8% Marion County 12.2%	12.2%	2
35593	Franklin County 64.6% Marion County 35.4%	35.4%	2
35594	Fayette County 50.2% Marion County 49.8%	49.8%	2
35603	Morgan County 99.5% Lawrence County 0.6%	0.6%	2
35610	Lauderdale County 70.5% Limestone County 29.5%	29.5%	2
35614	Limestone County 98.3% Lauderdale County 1.7%	1.7%	2
35619	Lawrence County 68.3% Morgan County 31.5% Cullman County 0.2%	31.7%	3
35621	Morgan County 96.7% Cullman County 3.3%	3.3%	2
35622	Morgan County 84.6% Cullman County 15.4%	15.4%	2
35650	Lawrence County 99.9% Morgan County under 0.1%	under 0.1%	2
35652	Lauderdale County 97.6% Limestone County 2.4%	2.4%	2
35653	Franklin County 78.0% Colbert County 22.0%	22.0%	2
35654	Franklin County 82.5% Colbert County 9.6% Lawrence County 7.9%	17.5%	3
35672	Lawrence County 94.5% Colbert County 5.5%	5.5%	2
35673	Lawrence County 72.0% Morgan County 28.0%	28.0%	2
35674	Colbert County 99.9% Franklin County under 0.1%	under 0.1%	2
35739	Limestone County 55.5% Madison County 44.5%	44.5%	2
35748	Madison County 92.9% Jackson County 7.1%	7.1%	2
35749	Madison County 70.2% Limestone County 29.8%	29.8%	2
35754	Morgan County 96.5% Marshall County 3.5%	3.5%	2
35755	Marshall County 72.0% Jackson County 28.0%	28.0%	2
35756	Limestone County 81.5% Madison County 18.5%	18.5%	2
35757	Madison County 96.6% Limestone County 3.4%	3.4%	2
35760	Madison County 93.0% Marshall County 7.0%	7.0%	2
35765	Jackson County 94.4% DeKalb County 5.6%	5.6%	2
35769	Jackson County 72.6% Marshall County 27.4%	27.4%	2
35771	Jackson County 96.3% DeKalb County 3.7%	3.7%	2
35773	Madison County 78.3% Limestone County 21.8%	21.8%	2
35776	Jackson County 78.8% Marshall County 18.7% Madison County 2.5%	21.2%	3
35901	Etowah County 96.5% Cherokee County 3.5%	3.5%	2
35903	Etowah County 91.2% Cherokee County 8.8%	8.8%	2
35905	Etowah County 76.4% Calhoun County 23.6%	23.6%	2
35951	Marshall County 80.9% DeKalb County 19.1%	19.1%	2
35952	Etowah County 55.0% Blount County 44.6% Marshall County 0.3%	45.0%	3
35954	Etowah County 94.7% DeKalb County 5.3%	5.3%	2
35956	Etowah County 99.8% DeKalb County 0.1% Marshall County under 0.1%	0.2%	3
35957	Marshall County 74.3% DeKalb County 20.7% Blount County 5.0%	25.7%	3
35959	Cherokee County 99.3% DeKalb County 0.7%	0.7%	2
35961	DeKalb County 81.4% Cherokee County 10.6% Etowah County 8.0%	18.6%	3
35962	DeKalb County 90.7% Marshall County 9.3%	9.3%	2
35966	Jackson County 75.5% DeKalb County 24.5%	24.5%	2
35967	DeKalb County 92.3% Cherokee County 7.7%	7.7%	2
35971	DeKalb County 99.7% Jackson County 0.3%	0.3%	2
35972	Etowah County 65.1% St. Clair County 34.9%	34.9%	2
35975	DeKalb County 73.0% Marshall County 27.0%	27.0%	2
35976	Marshall County 92.0% Blount County 7.9% Cullman County under 0.1%	8.0%	3
35978	DeKalb County 77.5% Jackson County 22.5%	22.5%	2
35979	DeKalb County 64.2% Jackson County 35.8%	35.8%	2
35980	Marshall County 52.2% Blount County 47.8%	47.8%	2
35983	Cherokee County 99.5% DeKalb County 0.5%	0.5%	2
35984	DeKalb County 70.1% Cherokee County 29.9%	29.9%	2
36005	Pike County 54.8% Bullock County 44.9% Barbour County 0.4%	45.2%	3
36006	Autauga County 75.6% Chilton County 24.4%	24.4%	2
36009	Crenshaw County 98.8% Coffee County 1.2%	1.2%	2
36010	Pike County 81.0% Coffee County 17.0% Dale County 2.1%	19.0%	3
36016	Barbour County 98.6% Henry County 1.4%	1.4%	2
36022	Elmore County 55.0% Autauga County 45.0%	45.0%	2
36026	Coosa County 78.0% Elmore County 21.9%	21.9%	2
36027	Barbour County 84.5% Russell County 12.6% Henry County 2.9%	15.5%	3
36028	Covington County 59.7% Crenshaw County 40.3%	40.3%	2
36029	Bullock County 87.6% Macon County 9.1% Montgomery County 3.3%	12.4%	3
36032	Lowndes County 85.7% Butler County 14.3%	14.3%	2
36033	Butler County 90.5% Conecuh County 7.5% Monroe County 2.0%	9.5%	3
36034	Pike County 47.6% Coffee County 32.1% Crenshaw County 20.3%	52.4%	3
36035	Pike County 80.2% Crenshaw County 19.8%	19.8%	2
36036	Montgomery County 69.8% Crenshaw County 30.2%	30.2%	2
36037	Butler County 98.0% Crenshaw County 2.0%	2.0%	2
36041	Crenshaw County 98.9% Montgomery County 1.1%	1.1%	2
36042	Crenshaw County 50.9% Butler County 49.1%	49.1%	2
36043	Lowndes County 56.0% Montgomery County 44.0%	44.0%	2
36046	Crenshaw County 67.5% Montgomery County 32.5%	32.5%	2
36047	Lowndes County 90.1% Montgomery County 9.9%	9.9%	2
36049	Crenshaw County 95.8% Pike County 4.2%	4.2%	2
36051	Autauga County 64.5% Elmore County 20.1% Chilton County 15.4%	35.5%	3
36052	Montgomery County 90.4% Bullock County 9.6%	9.6%	2
36053	Barbour County 59.0% Bullock County 41.0%	41.0%	2
36054	Elmore County 88.0% Montgomery County 12.0%	12.0%	2
36066	Autauga County 71.0% Elmore County 29.0%	29.0%	2
36069	Montgomery County 94.7% Pike County 5.3%	5.3%	2
36071	Crenshaw County 86.7% Butler County 13.3%	13.3%	2
36078	Elmore County 73.0% Tallapoosa County 24.3% Macon County 2.7%	27.0%	3
36079	Pike County 92.9% Coffee County 7.1%	7.1%	2
36080	Elmore County 96.5% Coosa County 3.5%	3.5%	2
36081	Pike County 85.3% Bullock County 14.7%	14.7%	2
36089	Bullock County 77.8% Macon County 22.2%	22.2%	2
36091	Chilton County 84.5% Autauga County 15.2% Coosa County 0.3%	15.5%	3
36203	Calhoun County 60.1% Talladega County 39.9%	39.9%	2
36207	Calhoun County 100.0% Cleburne County under 0.1%	under 0.1%	2
36255	Clay County 97.8% Tallapoosa County 2.2%	2.2%	2
36256	Tallapoosa County 96.0% Clay County 4.0%	4.0%	2
36258	Cleburne County 46.2% Clay County 42.4% Randolph County 11.4%	53.8%	3
36260	Talladega County 63.0% Calhoun County 37.0%	37.0%	2
36264	Cleburne County 91.7% Randolph County 8.3%	8.3%	2
36266	Clay County 79.0% Randolph County 21.0%	21.0%	2
36268	Talladega County 89.6% Clay County 10.4%	10.4%	2
36271	Calhoun County 99.8% Etowah County 0.2%	0.2%	2
36272	Cherokee County 42.2% Calhoun County 33.4% Cleburne County 19.7% Etowah County 4.7%	57.8%	4
36274	Randolph County 82.7% Chambers County 17.3%	17.3%	2
36276	Randolph County 54.7% Chambers County 24.0% Clay County 14.8% Tallapoosa County 6.5%	45.3%	4
36301	Houston County 95.4% Geneva County 4.6%	4.6%	2
36303	Houston County 90.9% Dale County 8.2% Henry County 0.9%	9.1%	3
36305	Houston County 65.5% Geneva County 34.5%	34.5%	2
36311	Dale County 54.9% Barbour County 35.6% Coffee County 9.6%	45.1%	3
36316	Geneva County 65.4% Coffee County 34.6%	34.6%	2
36317	Henry County 83.4% Dale County 8.9% Barbour County 7.7%	16.6%	3
36318	Geneva County 67.9% Coffee County 32.1%	32.1%	2
36319	Henry County 60.5% Houston County 39.5%	39.5%	2
36322	Dale County 93.1% Geneva County 5.9% Coffee County 1.0%	6.9%	3
36330	Coffee County 92.4% Dale County 7.6%	7.6%	2
36345	Henry County 83.8% Houston County 9.9% Dale County 6.3%	16.2%	3
36350	Dale County 97.8% Houston County 2.2%	2.2%	2
36352	Houston County 58.1% Dale County 39.0% Geneva County 2.9%	41.9%	3
36353	Henry County 82.0% Dale County 18.0%	18.0%	2
36360	Dale County 98.6% Coffee County 1.4%	1.4%	2
36374	Dale County 88.7% Barbour County 11.3%	11.3%	2
36375	Geneva County 78.7% Houston County 21.3%	21.3%	2
36401	Conecuh County 93.5% Monroe County 5.7% Escambia County 0.8%	6.5%	3
36420	Covington County 80.2% Escambia County 19.8%	19.8%	2
36421	Covington County 83.8% Conecuh County 16.2%	16.2%	2
36426	Escambia County 96.3% Conecuh County 3.8%	3.8%	2
36432	Conecuh County 74.9% Escambia County 25.1%	25.1%	2
36442	Covington County 99.6% Geneva County 0.4%	0.4%	2
36453	Coffee County 52.3% Geneva County 39.0% Covington County 8.8%	47.7%	3
36456	Conecuh County 51.1% Butler County 42.8% Covington County 6.2%	48.9%	3
36460	Monroe County 96.9% Conecuh County 3.1%	3.1%	2
36467	Covington County 94.1% Coffee County 5.9%	5.9%	2
36471	Monroe County 90.1% Conecuh County 9.9%	9.9%	2
36474	Covington County 74.1% Conecuh County 14.8% Butler County 11.1%	25.9%	3
36475	Conecuh County 86.9% Monroe County 13.1%	13.1%	2
36477	Geneva County 89.0% Coffee County 10.6% Covington County 0.4%	11.0%	3
36482	Clarke County 91.8% Monroe County 8.3%	8.3%	2
36483	Covington County 54.3% Escambia County 45.7%	45.7%	2
36502	Escambia County 79.3% Baldwin County 10.1% Monroe County 7.8% Conecuh County 2.9%	20.7%	4
36513	Washington County 54.2% Mobile County 45.8%	45.8%	2
36522	Mobile County 77.5% Washington County 22.5%	22.5%	2
36558	Washington County 89.5% Choctaw County 10.6%	10.6%	2
36562	Baldwin County 94.8% Escambia County 5.2%	5.2%	2
36701	Dallas County 63.4% Perry County 36.6%	36.6%	2
36703	Dallas County 74.5% Autauga County 25.5%	25.5%	2
36722	Wilcox County 92.7% Marengo County 7.3%	7.3%	2
36726	Wilcox County 99.9% Monroe County 0.1%	0.1%	2
36728	Wilcox County 75.4% Marengo County 24.6%	24.6%	2
36738	Marengo County 73.1% Hale County 26.9%	26.9%	2
36742	Marengo County 72.2% Hale County 27.8%	27.8%	2
36744	Hale County 98.5% Perry County 1.5%	1.5%	2
36749	Autauga County 83.5% Dallas County 16.5%	16.5%	2
36750	Chilton County 98.8% Bibb County 1.2%	1.2%	2
36751	Clarke County 40.5% Wilcox County 34.3% Monroe County 25.2%	59.5%	3
36756	Perry County 99.9% Hale County under 0.1%	under 0.1%	2
36758	Chilton County 37.8% Dallas County 31.2% Autauga County 31.0%	62.2%	3
36759	Dallas County 79.6% Perry County 20.4%	20.4%	2
36761	Dallas County 59.6% Lowndes County 31.8% Wilcox County 8.5%	40.4%	3
36765	Perry County 50.6% Hale County 49.4%	49.4%	2
36768	Wilcox County 73.4% Monroe County 26.6%	26.6%	2
36769	Wilcox County 86.6% Marengo County 13.4%	13.4%	2
36773	Dallas County 89.4% Marengo County 10.6%	10.6%	2
36775	Dallas County 64.3% Lowndes County 35.7%	35.7%	2
36783	Marengo County 94.0% Wilcox County 6.0%	6.0%	2
36784	Clarke County 72.1% Marengo County 26.2% Wilcox County 1.8%	27.9%	3
36785	Lowndes County 56.1% Dallas County 43.9%	43.9%	2
36786	Perry County 77.1% Marengo County 19.3% Hale County 3.5%	22.9%	3
36792	Bibb County 81.9% Chilton County 18.1%	18.1%	2
36793	Bibb County 45.8% Chilton County 31.1% Perry County 23.2%	54.2%	3
36801	Lee County 78.1% Chambers County 21.9%	21.9%	2
36804	Lee County 77.9% Russell County 14.6% Macon County 7.5%	22.1%	3
36830	Lee County 55.6% Macon County 44.4%	44.4%	2
36832	Lee County 96.9% Macon County 3.1%	3.1%	2
36850	Tallapoosa County 72.3% Chambers County 17.6% Lee County 10.1%	27.7%	3
36852	Chambers County 60.5% Lee County 39.5%	39.5%	2
36854	Chambers County 58.4% Lee County 41.6%	41.6%	2
36855	Chambers County 98.9% Troup County, GA 1.1%	1.1%	2
36860	Russell County 62.5% Macon County 19.3% Bullock County 18.2%	37.5%	3
36866	Macon County 68.6% Tallapoosa County 22.5% Lee County 8.9%	31.4%	3
36867	Russell County 66.3% Lee County 33.7%	33.7%	2
36870	Lee County 64.1% Russell County 35.9%	35.9%	2
36874	Lee County 94.7% Russell County 5.3%	5.3%	2
36877	Lee County 99.9% Russell County 0.1%	0.1%	2
36879	Chambers County 48.3% Lee County 46.2% Tallapoosa County 5.5%	51.7%	3
36912	Choctaw County 94.0% Sumter County 6.0%	6.0%	2
36919	Choctaw County 100.0% Washington County under 0.1%	under 0.1%	2
36922	Choctaw County 51.5% Sumter County 48.5%	48.5%	2
38852	Tishomingo County, MS 99.7% Colbert County 0.3%	0.3%	2

What to do with this

If a ZIP code in your list is split, the ZIP alone cannot tell you which county an address is in. For most work that is fine. It matters when the county decides something: a sales tax rate, a licence, a franchise agreement written by county, or a service area somebody promised by county name.

The ZIP list audit checks your own list against the same Census data in your browser, and the ZIP spreadsheet comparison covers when a ZIP list is enough and when it is not.

What these numbers are, and are not

A ZCTA is not quite a ZIP code. ZIP Code Tabulation Areas are the Census Bureau's approximations of ZIP code areas, built by grouping census blocks by the ZIP codes of the addresses in them. USPS ZIP codes are delivery routes, not areas, and the two do not always match.
Some ZIP codes have no ZCTA at all. PO box ZIPs, ZIPs for a single building or a single large organisation, and military ZIPs usually have no area of their own, so they cannot be split across counties here and will not match any area in a map.
Land share is not population share. A ZCTA with 20% of its land in a second county might have almost none of its people there, or most of them. The shares here measure area, which is what the Census file publishes.
Tiny overlaps are included. A ZCTA counts as overlapping a county if the Census file lists any part of it there, including slivers along a road or river. That is why the share with at least 5% of land in a second county is shown alongside.

Source: U.S. Census Bureau, 2020 ZCTA to County relationship file, public domain. Counts use 2020 ZCTAs and 2020 county boundaries. ZIP codes added by USPS since then are not in it, and Connecticut's counties have since been replaced by planning regions in Census data.

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