Croydon is located in Croydon, Greater London, United Kingdom, with 7222 postal codes indexed. This page provides a complete postal code list and a mock phone number generator based on local dialing rules.
Postal Codes Directory
The following postal codes are indexed for this geographical region.
Random Local Phone Numbers
Mock phone numbers matching local formatting and dialing area codes. (20) — Greater London
Frequently Asked Questions
How many postal codes are indexed in this area (Croydon)?
There are currently 7222 unique postal codes indexed for this city. The registered list includes: SE25 6UG, SE25 6UH, SE25 6UJ, SE25 6UL, SE25 6UN, SE25 6UP, SE25 6UQ, SE25 6UR, SE25 6UT, SE25 6UU, SE25 6UW, SE25 6UX, SE25 6UY, SE25 6UZ, SE25 6WL, SE25 6XA, SE25 6XB, SE25 6XD, SE25 6XG, SE25 6XH, SE25 6XJ, SE25 6XL, SE25 6XN, SE25 6XP, SE25 6XQ, SE25 6XR, SE25 6XU, SE25 6XW, SE25 6XX, SE25 6XY, SE25 6YA, SE25 6YD, SE25 6YF, SE25 6YS, SE25 6YY, SE25 6YZ, SE25 9AR, SE25 9BD, SE25 6BN, SE25 6BQ, SE25 6BS, SE25 6BT, SE25 6BU, SE25 6BX, SE25 6BY, SE25 6BZ, SE25 6DD, SE25 6DE, SE25 6DG, SE25 6DH, SE25 6DJ, SE25 6DL, SE25 6DN, SE25 6DP, SE25 6DQ, SE25 6DR, SE25 6DS, SE25 6DT, SE25 6DU, SE25 6DW, SE25 6EA, SE25 6EB, SE25 6ED, SE25 6EE, SE25 6EF, SE25 6EG, SE25 6EH, SE25 6EJ, SE25 6EP, SE25 6ES, SE25 6ET, SE25 6EU, SE25 6EY, SE25 6EZ, SE25 6GH, SE25 6GX, SE25 6HA, SE25 6HJ, SE25 6HS, SE25 6HT, SE25 6HU, SE25 6HX, SE25 6HY, SE25 6HZ, SE25 6JA, SE25 6JB, SE25 6JD, SE25 6JE, SE25 6JF, SE25 6JH, SE25 6JJ, SE25 6JL, SE25 6JN, SE25 6JQ, SE25 6JT, SE25 6JU, SE25 6JW, SE25 6JX, SE25 6JY, SE25 6JZ.
What is the phone number format and dialing rules for this area (Croydon)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 20.
Local Dialing: Within the same area, dial the standard subscriber number directly without country prefix.
International Dialing: To dial internationally, prepend the country dial code followed by the local area code and number.
Local Dialing: Within the same area, dial the standard subscriber number directly without country prefix.
International Dialing: To dial internationally, prepend the country dial code followed by the local area code and number.
What can the simulated phone numbers generated here be used for?
They are simulated data designed specifically for software development testing, QA automation workflows, form input validation (e.g., formatting mobile/landline numbers), and international compliance mock databases. Simulated phones cannot make or receive calls, nor can they receive SMS verification codes, and they cannot be used to dial real numbers.
How to verify the accuracy of the postal code data for this area (Croydon)?
You can double-check accuracy via the official query portals provided by the official postal reference sources below (such as China Post or US USPS). Our website data is periodically synchronized with these officially published directories to ensure the accuracy and timeliness of the basic codes and regional mapping data.
Data Verification & Reference Sources
The following official postal authorities can be used to verify the accuracy of the postal code data on this page: