Russian Post offices in Pervomayskoye, Chuvashia | Universal Russian Post calculator Postcalc.RU

Localities of Russia with post offices.
The source - Reference guide for postal codes of postal facilities of the Russian Post, projects Open Street Map and Wikipedia.
The working database is updated once a month.
You may:

Download it as a MySQL dump.
Download the simplified version in the "old" format (instead of the region number you see the name) as text or MySQL dump for Postcalc Light (table postcalc_light_cities). The "old" format will be supported for 2021, then support is not guaranteed.

API Parameters
Region code regid	21
Alternative region names	Чувашия республика Республика Чувашия Чувашия Чувашская Республика - Чувашия Чувашская Республика Чувашия Чувашская Республика - CHV Chuvash Republic Republic of Chuvashia Chuvashia
Key citykey	Первомайское, 21
Unique key citykey_u
Full key citykey_f	Первомайское, 21, Батыревский
Key citykey (eng.)	Pervomayskoye, 21
Unique key citykey_u_en (eng.)
Full key citykey_f_en (eng.)	Pervomayskoye, 21, Batyrevsky
Coordinates
Latitude	55.077645
Longitude	47.367188
Open Streetmap
osm_id	R3528042
Full OSM label (Russian): Первомайское, Батыревский район, Чувашия, Приволжский федеральный округ, Россия
Default ZIP-codes
Default ZIP-code	429364 ⇑
"Parcel Online" drop-off	429364 ⇑
"Courier Online" drop-off	429364 ⇑
Additional information
Wikipedia (rus.)	Первомайское (Батыревский район)
Wikidata	Q4349468
Population	1037 (2000-01-01)

	ZIP-code, PO name	Address	Comment
1	429364 ⇑ Первомайское	Чувашия республика, Батыревский район, с Первомайское, Ворошилова ул, 9 Russian Post * Yandex * Google	Parcel Online drop-off. Courier Online drop-off.