Harwich is located in Harwich, Essex, United Kingdom, with 612 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. (1206) — Essex
Frequently Asked Questions
How many postal codes are indexed in this area (Harwich)?
There are currently 612 unique postal codes indexed for this city. The registered list includes: CO12 5JX, CO12 5JY, CO12 5JZ, CO12 5LA, CO12 5LB, CO12 5LD, CO12 5LE, CO12 5LF, CO12 5LG, CO12 5LH, CO12 5LJ, CO12 5LL, CO12 5LN, CO12 5LP, CO12 5LR, CO12 5LS, CO12 5LT, CO12 5LU, CO12 5LY, CO12 5LZ, CO12 5NA, CO12 5NB, CO12 5ND, CO12 5NE, CO12 5NF, CO12 5NH, CO12 5NJ, CO12 5NL, CO12 5NN, CO12 5NW, CO12 9AB, CO12 9AH, CO12 4QU, CO12 4QX, CO12 4QY, CO12 4QZ, CO12 4RA, CO12 4RB, CO12 4RD, CO12 4RE, CO12 4RF, CO12 4RG, CO12 4RH, CO12 4RJ, CO12 4RL, CO12 4RN, CO12 4RP, CO12 4RQ, CO12 4RR, CO12 4RS, CO12 4RT, CO12 4RU, CO12 4RX, CO12 4RZ, CO12 4SB, CO12 4SL, CO12 4SP, CO12 4SR, CO12 4SS, CO12 4SX, CO12 4TE, CO12 4TF, CO12 4TH, CO12 4TJ, CO12 4TL, CO12 4TP, CO12 4TR, CO12 4TS, CO12 4TT, CO12 4TU, CO12 4TX, CO12 4TY, CO12 4TZ, CO12 4UA, CO12 4UB, CO12 4UD, CO12 4UE, CO12 4UF, CO12 4UG, CO12 4UH, CO12 4UJ, CO12 4UL, CO12 4UN, CO12 4UP, CO12 4UQ, CO12 4UR, CO12 4US, CO12 4UT, CO12 4UU, CO12 4UW, CO12 4UX, CO12 4UY, CO12 4UZ, CO12 4WE, CO12 4WF, CO12 4WG, CO12 4WH, CO12 4WL, CO12 4WP, CO12 4XA.
What is the phone number format and dialing rules for this area (Harwich)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 1206.
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 (Harwich)?
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: