ESROT
Databases
Voice & signaling
SIP response codes
Q.850 cause codes
Mobile & SMS
SMPP error codes
MCC / MNC database
Mobile operators
Numbering & location
World countries — ISO & dialing
ISO 3166-2 subdivisions
Emergency numbers
Numbering plans
India STD codes
Postal / ZIP codes
Guides
SIP & protocols
SIP call flow
History of SIP
Platforms
Asterisk guide
G.729 codec
Asterisk solutions
Vicidial guide
Tools
Network
My IP address
DNS lookup
WHOIS lookup
QR code generator
SMS counter
Security & dev
Password generator
Hash generator
UUID generator
Encoder / decoder
Cron builder
Finance & general
IBAN validator
SWIFT codes
IFSC codes
Age calculator
Lorem ipsum
Unit converter
India
Lookup
Mobile number lookup
PIN code decoder
STD codes
RTO codes
Coverage & society
5G coverage
UPI stats
Demographics
Election results 2026
2024 general election
Global
Codes & identifiers
HTTP status codes
World countries — ISO & dialing
ISO 3166-2 subdivisions
Emergency numbers
Currency codes
Domain extensions
World reference
Time zones
Public holidays
World population
More
Telecom news
Events
Telecom facts
Abbreviations
Blog
Home
›
Postal Codes
›
Poland
› 15-657
Postal Code 15-657 — Białystok, Poland
Podlasie · Białystok
English
Polski
Postal Code
15-657
Place
Białystok
State / Region
Podlasie
District
Białystok
Country
Poland
Coordinates
53.1283, 23.0821
Nearby postal codes
15-649
Białystok · Podlasie
15-615
Białystok · Podlasie
15-650
Białystok · Podlasie
15-618
Białystok · Podlasie
15-619
Białystok · Podlasie
15-616
Białystok · Podlasie
15-617
Białystok · Podlasie
15-641
Białystok · Podlasie
← Back to Poland postal codes