City ZIP codes · New York
Buffalo, NY ZIP Codes
44 ZIP codes use the postal name Buffalo, New York (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 29 residential and 15 for PO boxes or a single organization. Median household income runs from $28,182 in 14204 to $101,615 in 14221, 3.6 times as much (Census Bureau, ACS 2020-2024). Buffalo's most populous ZIP code is 14221, with 55,255 people (ACS 2020-2024); 0% of its land is in the city of Buffalo.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Buffalo's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Buffalo's ZIP codes?
The highest median household income is in 14221 ($101,615), the lowest in 14204 ($28,182). Home values run from $103,400 in 14212 to $479,100 in 14202.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 29 residential ZIP codes of Buffalo
| County | |||||
|---|---|---|---|---|---|
| 14221 | Erie County | 55,255 | 2,362 | $102k | $330k |
| 14215 | Erie County | 42,524 | 8,928 | $45k | $112k |
| 14224 | Erie County | 41,219 | 2,036 | $80k | $239k |
| 14225 | Erie County | 33,620 | 2,928 | $67k | $170k |
| 14226 | Erie County | 29,159 | 4,231 | $84k | $264k |
| 14207 | Erie County | 26,327 | 6,740 | $40k | $134k |
| 14228 | Erie County | 25,350 | 1,592 | $75k | $275k |
| 14211 | Erie County | 24,663 | 6,263 | $36k | $106k |
| 14220 | Erie County | 24,428 | 6,373 | $71k | $186k |
| 14213 | Erie County | 24,107 | 12,582 | $54k | $211k |
| 14216 | Erie County | 22,849 | 8,279 | $70k | $295k |
| 14223 | Erie County | 22,611 | 6,539 | $84k | $217k |
| 14217 | Erie County | 22,471 | 7,016 | $74k | $208k |
| 14206 | Erie County | 21,631 | 4,364 | $51k | $125k |
| 14214 | Erie County | 21,314 | 6,403 | $58k | $241k |
| 14227 | Erie County | 20,621 | 2,518 | $69k | $209k |
| 14218 | Erie County | 20,312 | 2,507 | $55k | $150k |
| 14210 | Erie County | 15,563 | 4,947 | $54k | $130k |
| 14222 | Erie County | 15,311 | 12,268 | $82k | $408k |
| 14212 | Erie County | 13,299 | 6,309 | $44k | $103k |
| 14208 | Erie County | 12,572 | 10,829 | $49k | $130k |
| 14201 | Erie County | 12,369 | 11,234 | $41k | $338k |
| 14219 | Erie County | 10,652 | 1,534 | $79k | $193k |
| 14209 | Erie County | 8,313 | 8,732 | $50k | $429k |
| 14204 | Erie County | 7,932 | 4,429 | $28k | $152k |
| 14261 | Erie County | 5,033 | 4,563 | – | – |
| 14202 | Erie County | 3,862 | 4,439 | $57k | $479k |
| 14203 | Erie County | 2,424 | 865 | $56k | – |
| 14260 | Erie County | 924 | 3,741 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Buffalo
15 ZIP codes named Buffalo have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 14205 | Erie County |
| 14231 | Erie County |
| 14233 | Erie County |
| 14240 | Erie County |
| 14241 | Erie County |
| 14263 | Erie County |
| 14264 | Erie County |
| 14265 | Erie County |
| 14267 | Erie County |
| 14269 | Erie County |
| 14270 | Erie County |
| 14272 | Erie County |
| 14273 | Erie County |
| 14276 | Erie County |
| 14280 | Erie County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Buffalo's ZIP codes reach?
Buffalo's residential ZIP codes lie in Erie County.
Which places do Buffalo's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Buffalo's residential ZIP codes cover Buffalo itself and 11 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Cheektowaga census-designated 14206, 14211, 14215, 14225, 14227
- West Seneca census-designated 14210, 14218, 14220, 14224
- Tonawanda Town census-designated 14207, 14217, 14223
- Sloan 14206, 14212
- University at Buffalo census-designated 14260, 14261
- Blasdell 14219
- Eggertsville census-designated 14226
- Harris Hill census-designated 14221
- Kenmore 14217
- Lackawanna 14218
- Williamsville 14221
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Buffalo's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Buffalo starts with 142.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 142 | Buffalo, NY (SCF 140) | 44 | 44 |
All 44 ZIP codes that start with 142 are Buffalo's: 29 residential codes and 15 PO Box or unique codes, sorted at Buffalo, NY (SCF 140).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.