Harlow is located in Harlow, Essex, United Kingdom, with 1853 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. (1245) — Essex
Frequently Asked Questions
How many postal codes are indexed in this area (Harlow)?
There are currently 1853 unique postal codes indexed for this city. The registered list includes: CM20 3NX, CM20 3PA, CM20 3PB, CM20 3PD, CM20 3PE, CM20 3PF, CM20 3PG, CM20 3PH, CM20 3PJ, CM20 3PL, CM20 3PN, CM20 3PP, CM20 3PQ, CM20 3PR, CM20 3PS, CM20 3PT, CM20 3PU, CM20 3PX, CM20 3PY, CM20 3QA, CM20 3QB, CM20 3QD, CM20 3QE, CM20 3QF, CM20 3QG, CM20 3QH, CM20 3QJ, CM20 3QL, CM20 3QN, CM20 3QP, CM20 3QR, CM20 3QS, CM20 3QT, CM20 3QU, CM20 3QW, CM20 3QX, CM20 3QY, CM20 3RA, CM20 3RB, CM20 3RD, CM20 3RE, CM20 3RF, CM20 3RG, CM20 3RH, CM20 3RL, CM20 3RN, CM20 3RP, CM20 3RQ, CM20 3RR, CM20 3RS, CM20 3RT, CM20 3RU, CM20 3RW, CM20 3RX, CM20 3RY, CM20 3RZ, CM20 3SA, CM20 3SD, CM20 3SX, CM20 3SY, CM20 3SZ, CM20 3WZ, CM20 9AE, CM20 9AH, CM20 9AU, CM20 9AW, CM20 9BX, CM20 9BY, CM20 9DD, CM20 9DL, CM20 9EJ, CM20 9EN, CM20 9FH, CM20 9GY, CM20 9HA, CM20 9HB, CM20 9HF, CM20 2PH, CM20 2PJ, CM20 2PL, CM20 2PN, CM20 2PQ, CM20 2PS, CM20 2PW, CM20 2PX, CM20 2PY, CM20 2PZ, CM20 2QB, CM20 2QD, CM20 2QE, CM20 2QF, CM20 2QG, CM20 2QH, CM20 2QJ, CM20 2QL, CM20 2QN, CM20 2QP, CM20 2QQ, CM20 2QS, CM20 2QT.
What is the phone number format and dialing rules for this area (Harlow)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 1245.
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 (Harlow)?
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: