ZIP Codes in Puerto Rico
Puerto Rico's ZIP codes cover a US territory in the Caribbean home to around 3.2 million residents, blending Spanish colonial history, a distinct Puerto Rican cultural identity, and US postal and federal systems into one unique island geography. San Juan, the capital and largest city, anchors a metro area that holds a substantial share of the island's total population.
How ZIP Codes Are Organized Across the Island
Puerto Rico's ZIP codes fall within the 00600–00999 range under the USPS system, one of the lowest numeric ranges in the entire country, reflecting its position as a US postal territory rather than a mainland state. San Juan and the surrounding metro area occupy the middle of that range around 009xx, Bayamón sits nearby, and Ponce, on the island's southern coast, carries codes closer to 007xx.
Puerto Rico's Major Population Centers
The chart below shows how population concentrates around the San Juan metro area, with Bayamón, Carolina, and Ponce forming the island's next-largest population centers.
San Juan's ZIP codes cover Puerto Rico's capital and largest city, a major Caribbean port and tourism destination with a well-preserved historic Old San Juan district alongside a modern financial and business center. Bayamón and Carolina, both part of the wider San Juan metro area, add substantially to the region's overall population despite functioning as distinct municipalities. For a broader comparison, our full US ZIP code directory shows how Puerto Rico's compact range fits alongside every US state.
Ponce and Southern Puerto Rico
Ponce, on the island's southern coast, is Puerto Rico's second-largest city and carries a distinct architectural and cultural identity of its own, sometimes called "La Perla del Sur" (the Pearl of the South). ZIP codes in this region reflect a drier climate than the northern coast around San Juan, along with a different economic mix built more around manufacturing and regional commerce than tourism.
Rural Puerto Rico and the Central Mountains
Away from the coastal cities, Puerto Rico's mountainous interior, including the Cordillera Central, is covered by ZIP codes with lower population density and a stronger agricultural presence, particularly coffee farming, one of the island's traditional export crops. This region has faced significant infrastructure challenges following major hurricanes in recent years, which have disproportionately affected these more remote, mountainous communities.
Why ZIP Codes Matter Beyond Mail
In Puerto Rico, ZIP codes carry particular significance for disaster recovery and infrastructure planning, given the island's vulnerability to hurricanes - federal aid and recovery programs rely heavily on ZIP-level data to target resources to the hardest-hit communities. The tourism industry around San Juan and the coastal resort areas uses ZIP codes to define service areas for visitors. And Puerto Rico's unique tax status as a US territory has drawn a wave of new mainland residents in recent years, making ZIP-level population and real estate data an increasingly watched indicator.
Puerto Rico's Unique Status
As a US territory rather than a state, Puerto Rico's residents are US citizens but cannot vote in presidential elections and lack full voting representation in Congress, a status that continues to generate political debate over statehood, independence, or the current commonwealth arrangement. This unique political status doesn't affect how ZIP codes function day to day, but it does shape broader federal funding and infrastructure decisions that touch nearly every ZIP code on the island.
Finding the Right ZIP Code
Use the list below to browse Puerto Rico's ZIP codes by city, municipality, or population - sorted so the most populous areas surface first. Each entry links through to a detailed page with additional demographic data. If you're trying to identify the ZIP code for a specific address rather than browsing by city, the search tool at the top of this page will get you there faster than scrolling through the full list.
Frequently Asked Questions
How many ZIP codes does Puerto Rico have?
Puerto Rico has around 175 ZIP codes, spread across its 78 municipalities, concentrated most heavily around the San Juan metro area.
What ZIP code range does Puerto Rico use?
Puerto Rico ZIP codes fall between 00600 and 00999, one of the lowest numeric ranges in the entire USPS system.
Is Puerto Rico a US state?
No, Puerto Rico is a US territory, meaning residents are US citizens but the island has a different political status than the 50 states, without full voting representation in Congress.
Can I look up a Puerto Rico ZIP code by city name?
Yes, use the search tool on this page or browse the full list below, which is organized by city and sorted by population.
Whether you're relocating to San Juan, researching property near Ponce, or simply trying to pin down the right ZIP code for a specific Puerto Rico address, the data below covers every corner of the island.