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Postal code 540221

Listed · original date keptSources

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Airport, Calabar, Cross River State 540221 Used by 2 areas and 82 listed streets and places

540221 is a 6-digit NIPOST postal code. Our listings use it for Airport, Calabar and 1 other area in Cross River.

Places using 540221

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Nearby codes

New since 1 Oct 2026

New postcode in Airport, Calabar

Buildings now also get their own 11-character digital postcode from NIPOST. Most forms still ask for the 6-digit code on this page. There is no conversion between the two: your building's new code comes only from NIPOST's lookup.

Published example format
  1. LAState
  2. 01LGA
  3. A03District
  4. FKArea
  5. 01Building
One lookup through NIPOST's service. The result is shown to you only and not stored or logged.
Find my building's code How the new code works

How to get a building's new code

540221 covers an area. Since 1 October 2026 each building can also have an 11-character NIPOST postcode. You can't work it out from 540221; look the building up on postcode.gov.ng. Our guide How to find your new postcode walks through it.

Sources

  • 6-digit codes: the legacy NIPOST postcode listings published on this site since 2017, from 2 listings“/calabar-municipal-l-g-zip-codes/” (published 21 Mar 2018, last updated 21 Mar 2018); “/calabar-town-area-zip-codes/” (published 5 Nov 2017, last updated 5 Nov 2017). These codes have not been re-checked against NIPOST since those dates. How we built this data.
  • State and LGA names: OCHA/HDX COD-AB Nigeria (OSGOF, eHealth Africa, UNCS), CC BY-IGO.
  • Approximate locations for distances: GeoNames, CC BY 4.0. Distances are between area centres, not addresses.
  • New postcode format and example: NIPOST, “What is the new alpha-numeric postcode” (opened 1 Oct 2026).
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