ZIP Code LL56 (Y Felinheli) Address & Phone Area Query - Y Felinheli, Gwynedd, United Kingdom

Postal Code Rules Notice

The postal code corresponding to the current page (e.g., LL56) 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 LL56 belongs to the jurisdiction of Y Felinheli, Y Felinheli, 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	LL56
District / Neighborhood	Y Felinheli (Y Felinheli)
City	Y Felinheli (Y Felinheli)
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:

              LL56 4QZ
            

              LL56 4RQ
            

              LL56 4RX
            

              LL56 4RZ
            

              LL56 4SJ
            

              LL56 4SQ
            

              LL56 4SX
            

              LL56 4SZ
            

              LL56 4TJ
            

              LL56 4TQ
            

              LL56 4TX
            

              LL56 4TZ
            

              LL56 4UJ
            

              LL56 4UQ
            

              LL56 4UX
            

              LL56 4UZ
            

              LL56 4WB
            

              LL56 4XA
            

              LL56 4XD
            

              LL56 4YJ
            

              LL56 4YQ
            

              LL56 4HJ
            

              LL56 4HQ
            

              LL56 4HX
            

              LL56 4JA
            

              LL56 4JB
            

              LL56 4JD
            

              LL56 4JE
            

              LL56 4JF
            

              LL56 4JG
            

              LL56 4JH
            

              LL56 4JJ
            

              LL56 4JL
            

              LL56 4JN
            

              LL56 4JP
            

              LL56 4JQ
            

              LL56 4JR
            

              LL56 4JS
            

              LL56 4JT
            

              LL56 4JU
            

              LL56 4JW
            

              LL56 4JX
            

              LL56 4JY
            

              LL56 4JZ
            

              LL56 4LY
            

              LL56 4NJ
            

              LL56 4NQ
            

              LL56 4NX
            

              LL56 4NY
            

              LL56 4NZ
            

              LL56 4PA
            

              LL56 4PB
            

              LL56 4PD
            

              LL56 4PE
            

              LL56 4PJ
            

              LL56 4PZ
            

              LL56 4QA
            

              LL56 4QB
            

              LL56 4QD
            

              LL56 4QE
            

              LL56 4QF
            

              LL56 4QG
            

              LL56 4QJ
            

              LL56 4QL
            

              LL56 4QN
            

              LL56 4QP
            

              LL56 4QQ
            

              LL56 4QS
            

              LL56 4QT
            

              LL56 4QU
            

              LL56 4QW
            

              LL56 4QX
            

              LL56 4QY
            

              LL56 4AB
            

              LL56 4PF
            

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 LL56)?

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 LL56?

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 LL56 — Y Felinheli, Gwynedd