Zip Code 00656 — Guayanilla, PR

ZIP Code 00656 is associated with Guayanilla, PR, in Guayanilla County. The listed population estimate is 17,398; estimated density is 159.4 people per square mile. Among records with population estimates, it ranks #1 of 1 in Guayanilla County and #77 of 130 in PR.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (18.041860, -66.791230)

Data MetricLocal Statistic
Postal / Zip Code00656
Primary CityGuayanilla
State / ProvincePR
CountyGuayanilla
Total Population17,398
Population Density159.4 people/sq mi
TimezoneAmerica/Puerto_Rico

How 00656 Compares

MetricZIP 00656Guayanilla County recordsPR records
Population estimate17,39817,398 (sum)3,233,341 (sum)
Population Density159.4 /sq mi----
County population rank#1 of 1----
State population rank#77 of 130----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in PR

ZIP CodeCityDistancePopulation estimate
ZIP 00698Yauco4.7 mi32,535
ZIP 00624Penuelas4.9 mi21,148
ZIP 00653Guanica8.0 mi8,495
ZIP 00728Ponce9.0 mi36,532
ZIP 00601Adjuntas9.9 mi16,669

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →