First three digits · Pennsylvania
ZIP Codes Starting with
49 ZIP codes start with 163, sorted at the Pittsburgh, PA (SCF 150) sectional center (USPS labeling list L005, effective October 1, 2026) in Pennsylvania: 43 residential ZIP codes across 7 counties and 6 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 163 mean?
The first digit, 1, is one of ten national areas (Delaware, New York and Pennsylvania). The first three, 163, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 163 to the Pittsburgh, PA (SCF 150) facility. The last two digits pick the delivery area. By residents, the largest town names among the 163 ZIP codes are Meadville, Warren, Oil City, Franklin, Titusville and Cochranton.
The same facility sorts 15 prefixes, 760 ZIP codes in all: 150, 151, 152, 153, 154, 156, 160, 161, 162, 163, 164, 165, 260, 265, 439.
Where are the 163 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 163
| County | ||||||
|---|---|---|---|---|---|---|
| 16301 | Oil City | Venango County | 15,233 | 161 | $58k | $90k |
| 16311 | Carlton | Mercer County | 421 | 29 | $71k | $138k |
| 16312 | Chandlers Valley | Warren County | 31 | 1,107 | – | – |
| 16313 | Clarendon | Warren County | 1,653 | 14 | $54k | $97k |
| 16314 | Cochranton | Crawford County | 5,188 | 56 | $70k | $164k |
| 16316 | Conneaut Lake | Crawford County | 4,562 | 100 | $63k | $165k |
| 16317 | Cooperstown | Venango County | 1,220 | 40 | $58k | $115k |
| 16319 | Cranberry | Venango County | 961 | 27 | $66k | $151k |
| 16321 | East Hickory | Forest County | 11 | 11 | – | $105k |
| 16322 | Endeavor | Forest County | 159 | 43 | $24k | – |
| 16323 | Franklin | Venango County | 14,353 | 144 | $63k | $131k |
| 16326 | Fryburg | Clarion County | 283 | 41 | $79k | $235k |
| 16327 | Guys Mills | Crawford County | 2,553 | 43 | $76k | $156k |
| 16328 | Hydetown | Crawford County | 231 | 475 | $60k | $107k |
| 16329 | Irvine | Warren County | 441 | 98 | $64k | $95k |
| 16331 | Kossuth | Clarion County | 123 | 68 | – | – |
| 16332 | Lickingville | Clarion County | 121 | 31 | – | $210k |
| 16333 | Ludlow | McKean County | 248 | 43 | $44k | $83k |
| 16334 | Marble | Clarion County | 453 | 67 | $72k | $165k |
| 16335 | Meadville | Crawford County | 27,175 | 237 | $58k | $162k |
| 16340 | Pittsfield | Warren County | 1,763 | 19 | $57k | $127k |
| 16341 | Pleasantville | Venango County | 1,761 | 24 | $62k | $122k |
| 16342 | Polk | Venango County | 2,126 | 32 | $64k | $115k |
| 16343 | Reno | Venango County | 670 | 141 | $83k | $106k |
| 16344 | Rouseville | Venango County | 460 | 550 | $58k | $63k |
| 16345 | Russell | Warren County | 3,436 | 37 | $95k | $186k |
| 16346 | Seneca | Venango County | 3,201 | 206 | $60k | $154k |
| 16347 | Sheffield | Warren County | 1,596 | 15 | $58k | $79k |
| 16350 | Sugar Grove | Warren County | 2,477 | 50 | $70k | $173k |
| 16351 | Tidioute | Warren County | 1,576 | 17 | $52k | $92k |
| 16352 | Tiona | Warren County | 263 | 24 | $40k | $124k |
| 16353 | Tionesta | Forest County | 2,473 | 17 | $56k | $121k |
| 16354 | Titusville | Venango County | 9,989 | 81 | $49k | $103k |
| 16360 | Townville | Crawford County | 1,363 | 45 | $72k | $162k |
| 16361 | Tylersburg | Clarion County | 49 | 22 | $109k | – |
| 16362 | Utica | Venango County | 1,066 | 38 | $66k | $183k |
| 16364 | Venus | Venango County | 1,306 | 38 | $75k | $184k |
| 16365 | Warren | Warren County | 17,292 | 124 | $59k | $123k |
| 16366 | Warren | Warren County | PO Box or unique | – | – | – |
| 16367 | Warren | Warren County | PO Box or unique | – | – | – |
| 16368 | Irvine | Warren County | PO Box or unique | – | – | – |
| 16369 | Irvine | Warren County | PO Box or unique | – | – | – |
| 16370 | West Hickory | Forest County | 215 | 27 | $36k | $156k |
| 16371 | Youngsville | Warren County | 3,211 | 102 | $58k | $117k |
| 16372 | Clintonville | Venango County | 517 | 524 | $47k | $99k |
| 16373 | Emlenton | Venango County | 3,254 | 40 | $63k | $136k |
| 16374 | Kennerdell | Venango County | 1,672 | 25 | $58k | $129k |
| 16375 | Lamartine | Clarion County | PO Box or unique | – | – | – |
| 16388 | Meadville | Crawford County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.