Address Line 1 is the primary street address or delivery location. Building number, street name, and street suffix are mandatory elements. Building number is unique identifier for property. Street name identifies location without building number. Street suffix indicates type of street (e.g., Blvd for boulevard)
UAE has no official postal code system. All emirates use 00000 or NA as postal code. Regional companies like DHL and FedEx don't require zip codes. International retailers like Ali Express and Amazon may require zip codes
USPS recognized state abbreviations in 1831, preferring full spelling. Modern two-letter codes introduced in 1963 for ZIP codes. Nebraska changed from NB to NE in 1969 to avoid Canadian confusion
Standard U.S. envelopes are 9 1/2x4 1/8 in (24x10 cm). Envelopes must be no thicker than 1/4 in (0.64 cm). Postcards don't require envelopes. Consider envelope thickness based on letter's purpose and destination
Moscow-Belgorod to Moscow-Yaroslavl A/T routes use code 901967-901983. Moscow-Domodedovo Aopp has codes 102320-102321. Moscow-Kazanskiy Vokzal Pzhdp has codes 102000-102015. Moscow-Vnukovo Aopp has codes 102300-102301
US has 41,704 ZIP codes ranging from 00501 to 99950. ZIP codes are five-digit numbers for efficient mail handling. Each digit can be 0-9, totaling 100,000 possible codes