Query detailed location data and local telephone area codes (1223) for ZIP code CB21 (Balsham) in Balsham, Cambridgeshire, United Kingdom. Generate random phone numbers.
CB21Postcode
1223Dialing Area Codes
BalshamDistrict / Neighborhood
Postal Code Rules Notice
The postal code corresponding to the current page (e.g., CB21) 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 CB21 belongs to the jurisdiction of Balsham, Balsham, Cambridgeshire, 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
CB21
District / Neighborhood
Balsham (Balsham)
City
Balsham (Balsham)
Province / State
Cambridgeshire (Cambridgeshire)
Country
United Kingdom (GB)
Dialing Area Codes
1223
Complete Postal Codes in this Area
Below is a detailed list of all complete postal codes included in this area:
CB21 6XR
CB21 5AH
CB21 5BE
CB21 5BF
CB21 5BG
CB21 5BH
CB21 5BJ
CB21 5BL
CB21 5BN
CB21 5BQ
CB21 5BS
CB21 5BT
CB21 5BU
CB21 5BW
CB21 5BX
CB21 5BY
CB21 5BZ
CB21 5DA
CB21 5DB
CB21 5DD
CB21 5DF
CB21 5DH
CB21 5DJ
CB21 5DL
CB21 5DN
CB21 5DP
CB21 5DQ
CB21 5DR
CB21 5DS
CB21 5DT
CB21 5DU
CB21 5DW
CB21 5DX
CB21 5DY
CB21 5DZ
CB21 5EA
CB21 5EB
CB21 5ED
CB21 5EE
CB21 5EF
CB21 5EG
CB21 5EH
CB21 5EJ
CB21 5EP
CB21 5EQ
CB21 5ER
CB21 5ES
CB21 5ET
CB21 5EU
CB21 5EW
CB21 5EX
CB21 5EY
CB21 5EZ
CB21 5GT
CB21 5HA
CB21 5HB
CB21 5HD
CB21 5HE
CB21 5HF
CB21 5HG
CB21 5HH
CB21 5HJ
CB21 5HL
CB21 5HN
CB21 5HQ
CB21 5HR
CB21 5HS
CB21 5HT
CB21 5HU
CB21 5HW
CB21 5HX
CB21 5HY
CB21 5HZ
CB21 5JA
CB21 5JB
CB21 5JD
CB21 5JE
CB21 5JF
CB21 5JG
CB21 5JH
CB21 5JJ
CB21 5JL
CB21 5JN
CB21 5JP
CB21 5JQ
CB21 5JS
CB21 5JT
CB21 5JW
CB21 5JY
CB21 5JZ
CB21 5LA
CB21 5LB
CB21 5LD
CB21 5LE
CB21 5LF
CB21 5LG
CB21 5LJ
CB21 5LP
CB21 5LQ
CB21 5LR
CB21 5LS
CB21 5LT
CB21 5LU
CB21 5LY
CB21 5NA
CB21 5NE
CB21 5NF
CB21 5NH
CB21 5NJ
CB21 5NL
CB21 5NP
CB21 5NQ
CB21 5NR
CB21 5NS
CB21 5NT
CB21 5NU
CB21 5NX
CB21 5NY
CB21 5NZ
CB21 5PA
CB21 5PB
CB21 5PE
CB21 5PF
CB21 5PH
CB21 5RB
CB21 5RH
CB21 5RJ
CB21 5TA
CB21 4JB
CB21 4JD
CB21 4JE
CB21 4JF
CB21 4JG
CB21 4JH
CB21 4JJ
CB21 4JL
CB21 4JN
CB21 4JP
CB21 4JQ
CB21 4JR
CB21 4JS
CB21 4JT
CB21 4JW
CB21 4JX
CB21 4JY
CB21 4JZ
CB21 4LA
CB21 4LB
CB21 4LD
CB21 4LE
CB21 4LF
CB21 4LG
CB21 4LH
CB21 4LJ
CB21 4LL
CB21 4LN
CB21 4LP
CB21 4LQ
CB21 4LR
CB21 4LS
CB21 4LT
CB21 4LU
CB21 4LW
CB21 4LX
CB21 4LY
CB21 4LZ
CB21 4NA
CB21 4NB
CB21 4ND
CB21 5XA
CB21 5XB
CB21 5XE
CB21 5XG
CB21 5XH
CB21 5XN
CB21 6AA
CB21 6AB
CB21 6AD
CB21 6AE
CB21 6AF
CB21 6AG
CB21 6AH
CB21 6AL
CB21 6AN
CB21 6AP
CB21 6AQ
CB21 6AR
CB21 6AS
CB21 6AT
CB21 6AU
CB21 6AW
CB21 6AX
CB21 6AY
CB21 6AZ
CB21 6BA
CB21 6BB
CB21 6BD
CB21 6BE
CB21 6BG
CB21 6BH
CB21 6BJ
CB21 6BL
CB21 6BN
CB21 6BP
CB21 6BQ
CB21 6BS
CB21 6BT
CB21 6BU
CB21 6BW
CB21 6BY
CB21 6BZ
CB21 6DA
CB21 6DB
CB21 6DD
CB21 6DE
CB21 6DQ
CB21 6DR
CB21 6GB
CB21 6GH
CB21 6GP
CB21 6GQ
CB21 6GS
CB21 6GT
CB21 4NE
CB21 4NF
CB21 4NG
CB21 4NH
CB21 4NJ
CB21 4NL
CB21 4NN
CB21 4NP
CB21 4NQ
CB21 4NR
CB21 4NS
CB21 4NT
CB21 4NU
CB21 4NW
CB21 4NX
CB21 4NY
CB21 4NZ
CB21 4PA
CB21 4PB
CB21 4PD
CB21 4PE
CB21 4PF
CB21 4PG
CB21 4PH
CB21 4PL
CB21 4PN
CB21 4PP
CB21 4PQ
CB21 4PR
CB21 4PS
CB21 4PT
CB21 4PW
CB21 4PY
CB21 4QA
CB21 4QB
CB21 4QD
CB21 4QE
CB21 4QF
CB21 4QG
CB21 4QH
CB21 4QN
CB21 4QP
CB21 4QQ
CB21 4QR
CB21 4QS
CB21 4QT
CB21 4QU
CB21 4QX
CB21 4QY
CB21 4QZ
CB21 4RA
CB21 4RB
CB21 4RD
CB21 4RE
CB21 4RF
CB21 4RG
CB21 4RH
CB21 4RJ
CB21 4RN
CB21 4RP
CB21 4RQ
CB21 4RR
CB21 4RS
CB21 4RT
CB21 4RU
CB21 4RW
CB21 4RX
CB21 4RY
CB21 4SA
CB21 4SB
CB21 4SD
CB21 4SF
CB21 4SH
CB21 4SJ
CB21 4SN
CB21 4SP
CB21 4SR
CB21 4SS
CB21 4ST
CB21 4SU
CB21 4SW
CB21 4SX
CB21 4SY
CB21 4SZ
CB21 4TA
CB21 4TB
CB21 4TD
CB21 4TE
CB21 4TF
CB21 4TG
CB21 4TH
CB21 4TJ
CB21 4TL
CB21 4TN
CB21 4TP
CB21 4TQ
CB21 4TR
CB21 4TT
CB21 4TW
CB21 4UA
CB21 4UB
CB21 4UD
CB21 4UE
CB21 4UF
CB21 4UG
CB21 4UH
CB21 4UJ
CB21 4UQ
CB21 4UR
CB21 4UW
CB21 4UX
CB21 4UY
CB21 4WD
CB21 4WE
CB21 4WJ
CB21 4WX
CB21 4XA
CB21 4XB
CB21 4XD
CB21 4XE
CB21 4XF
CB21 4XG
CB21 4XH
CB21 4XJ
CB21 4XN
CB21 4XQ
CB21 4YL
CB21 4YN
CB21 4YP
CB21 4YR
CB21 4YS
CB21 4YT
CB21 4YW
CB21 4ZP
CB21 4ZQ
CB21 5AA
CB21 5AB
CB21 5AD
CB21 5AE
CB21 4AD
CB21 4AE
CB21 4DG
CB21 4DJ
CB21 4DP
CB21 4DS
CB21 4DT
CB21 4DU
CB21 4DW
CB21 4DX
CB21 4DY
CB21 4DZ
CB21 4EA
CB21 4EB
CB21 4ED
CB21 4EE
CB21 4EF
CB21 4EG
CB21 4EH
CB21 4EJ
CB21 4EL
CB21 4EN
CB21 4EP
CB21 4EQ
CB21 4ER
CB21 4ES
CB21 4EU
CB21 4EW
CB21 4EZ
CB21 4FD
CB21 4HA
CB21 4HB
CB21 4HD
CB21 4HE
CB21 4HF
CB21 4HG
CB21 4HH
CB21 4HJ
CB21 4HL
CB21 4HQ
CB21 4HS
CB21 4HT
CB21 4HU
CB21 4HX
CB21 4HY
CB21 4JA
CB21 4AA
CB21 4AB
CB21 4AF
CB21 4AG
CB21 4RZ
CB21 4XR
CB21 4XW
CB21 4XX
CB21 5AF
CB21 5GA
CB21 5WF
CB21 6AJ
CB21 6WA
CB21 4AH
Random Local Phone Numbers
Mock phone numbers matching local formatting and dialing area codes. (1223)
Frequently Asked Questions
What is the phone number format and dialing rules for this area (postal code CB21)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 1223.
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 CB21?
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: