ZIP Code LL51 (Dolbenmaen) Address & Phone Area Query - Dolbenmaen, Gwynedd, United Kingdom

Postal Code Rules Notice

The postal code corresponding to the current page (e.g., LL51) is an Outward Code prefix. To ensure system building efficiency and proper page loading, the system aggregates and displays all detailed, complete postal codes in this region. You can find more precise 6 or 7-character complete postal codes below (format: SW1A 1AA), corresponding to specific streets, residential buildings, commercial offices, or specific delivery points.

UK Postal Code Structure and Rules:

1. First Part (Outward Code / Outward Postcode):

2 to 4 characters in length (e.g. SW1A, M1). Represents the Postal Area and the District under the postal area. Composed of 1-2 letters plus 1-2 digits (or alphanumeric combination), used to route mail to the correct UK sorting center.

2. Second Part (Inward Code / Inward Postcode):

Fixed at 3 characters (e.g. 1AA). Represents the specific postal sector (Sector) and the specific delivery point unit (Unit). The first digit is fixed as 0-9, and the last two are letters (C, I, K, M, O, V are not used to avoid confusion). Precise down to a street or specific building.

Postal code LL51 belongs to the jurisdiction of Dolbenmaen, Dolbenmaen, Gwynedd, United Kingdom. This page contains complete postal details, delivery branch information, and random phone number generation tools for this code.

Detailed ZIP Code Geography

The following postal codes are indexed for this geographical region.

Postcode	LL51
District / Neighborhood	Dolbenmaen (Dolbenmaen)
City	Dolbenmaen (Dolbenmaen)
Province / State	Gwynedd (Gwynedd)
Country	United Kingdom (GB)
Dialing Area Codes	1492

Complete Postal Codes in this Area

Below is a detailed list of all complete postal codes included in this area:

              LL51 9AJ
            

              LL51 9AL
            

              LL51 9AQ
            

              LL51 9AX
            

              LL51 9AZ
            

              LL51 9BQ
            

              LL51 9DJ
            

              LL51 9DQ
            

              LL51 9DX
            

              LL51 9DZ
            

              LL51 9EJ
            

              LL51 9EQ
            

              LL51 9EX
            

              LL51 9EZ
            

              LL51 9HX
            

              LL51 9HZ
            

              LL51 9LJ
            

              LL51 9LQ
            

              LL51 9LX
            

              LL51 9LZ
            

              LL51 9NJ
            

              LL51 9NQ
            

              LL51 9NX
            

              LL51 9NZ
            

              LL51 9PJ
            

              LL51 9PQ
            

              LL51 9RJ
            

              LL51 9RQ
            

              LL51 9RX
            

              LL51 9RZ
            

              LL51 9SJ
            

              LL51 9SQ
            

              LL51 9SX
            

              LL51 9SZ
            

              LL51 9TJ
            

              LL51 9TQ
            

              LL51 9TX
            

              LL51 9TZ
            

              LL51 9UJ
            

              LL51 9UQ
            

              LL51 9UX
            

              LL51 9YT
            

              LL51 9YU
            

              LL51 9YY
            

Random Local Phone Numbers

Mock phone numbers matching local formatting and dialing area codes. (1492)

Frequently Asked Questions

What is the phone number format and dialing rules for this area (postal code LL51)?

Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 1492.

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 random 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.

How to check the specific jurisdiction or branch associated with postal code LL51?

Our website lists specific communities and delivery branch details (if any) in the details section. You can also double-check accuracy via the official query portals provided by the official postal reference sources below (such as China Post or US USPS) to ensure data is absolutely precise.

Data Verification & Reference Sources

The following official postal authorities can be used to verify the accuracy of the postal code data on this page:

Postcode LL51 — Dolbenmaen, Gwynedd