Description:PostalCal is a fast postal lookup and mailing calculator designed for quick, accurate reference. It helps you find ZIP and postal codes, estimate postage costs, and format addresses for error-free shipping. Ideal for online sellers, office teams, and travelers who need reliable postal information on the go. Core features include global postal code search with smart suggestions, a postage calculator by weight, size, and destination, and address validation with copy-ready labels. With offline reference, favorites, and simple sharing, PostalCal streamlines everyday mailing tasks. Keywords: postal code lookup, ZIP code finder, postage calculator, address validation, shipping rates, offline reference.
How to use:1. Download and open PostalCal, then optionally sign in to sync favorites across devices.
2. Find postal codes: enter an address or place name to get accurate ZIP or postal codes, then tap to copy or save to favorites.
3. Estimate postage: choose letter or parcel, add weight and dimensions, select destination and carrier to view suggested services and estimated prices.
4. Validate and format addresses: paste an address to standardize it, then export, copy, or share as a label.
5. Personalize settings: set units and preferred carriers, enable offline data for lookups without internet, and manage saved addresses for faster checkout next time.