ARC Name or Passport Mismatch in Korea: What Foreigners Should Check
If your ARC name, passport number, or Korean record does not match, check which record is wrong before fixing banking, phone, HiKorea, or visa tasks.
This guide is for foreigners in Korea who see different names, passport numbers, dates of birth, nationality wording, or registration details across an ARC, passport, HiKorea, bank, phone carrier, school, employer, hospital, or insurance record. For the full immigration cluster, start from the ARC, Visa and Immigration Problems in Korea hub.
Quick Answer: What Should You Check First?
If an ARC, passport, or Korean service record does not match, do not start by changing every private account. First identify the official record and the exact mismatch:
- Is the problem your name, passport number, passport issue date, passport expiration date, nationality, date of birth, or registration number?
- Did the mismatch start after a passport renewal, name change, nationality change, ARC reissue, address change, school change, or employer change?
- Does HiKorea or the immigration office have the old detail or the new detail?
- Is a bank, phone carrier, app, school, employer, hospital, or insurer rejecting the information?
- Is there a reporting deadline or stay expiration date involved?
The safest order is usually immigration record first, then linked daily-life services. A bank or phone carrier may not be able to fix a mismatch if the immigration record itself is still old or inconsistent. If you need to prepare documents before reporting the change, read What to Prepare Before Reporting a Change in Korea: Foreigner Checklist.
If the mismatch started because your school, employer, workplace, or organization changed, read School or Employer Change in Korea for Foreign Residents: What to Check before treating the issue as only a spelling or phone-verification problem.
Step 1: Identify the Exact Mismatch
"My ARC does not match" can mean several different problems. Write down the exact difference before calling anyone:
- passport has a new number but Korean services still show the old number
- name order is different between passport, ARC, and phone verification
- middle name, hyphen, spacing, or punctuation is handled differently
- date of birth or nationality is wrong in one record
- ARC or residence card has been reissued but another service still uses old information
- HiKorea reservation or non-member authentication rejects the details
- banking, phone verification, insurance, school, or employer records do not match immigration details
Do not assume the visible card is the only record that matters. Some services compare the details typed by the user with an identity record behind the scenes.
Step 2: Check Whether the Change Must Be Reported
HiKorea's reporting obligations page says registered foreigners must report certain foreigner registration changes within 15 days after the reporting reason occurs. The page lists changes to name, gender, date of birth, nationality, and passport number, issue date, or validity period as reporting reasons.
This is why a passport or name mismatch should not be treated as only an app problem. If the official immigration record needs updating, fixing a bank or phone profile first may only hide the problem temporarily.
If your passport was renewed, changed, lost, or replaced, read Passport Change Report in Korea for Foreigners: What to Update After Renewal before assuming the new passport details are already reflected everywhere.
Step 3: Separate Passport Mismatch From Name Mismatch
A passport mismatch and a name mismatch can look similar, but the fix may be different.
- Passport mismatch: the passport number, issue date, or expiration date changed after renewal or replacement.
- Name mismatch: the same person appears with different spacing, order, middle name, initials, hyphen, or romanization.
- Identity-data mismatch: date of birth, nationality, registration number, or card status does not match what a system expects.
If the mismatch blocks a HiKorea reservation, the issue may be the applicant information typed into the reservation screen. If the booking screen is the main problem, read HiKorea Visit Reservation Not Working: What Foreigners Should Check.
Step 4: Check Whether Your ARC or Residence Card Needs Reissue
HiKorea's foreigner registration card reissue page lists reissue reasons, including cases where registered details such as name, gender, date of birth, or nationality changed. It also lists common documents such as passport, application form, documents explaining the reason, old card in some cases, photo in some cases, and fee.
Do not assume every mismatch requires a new physical card. Sometimes the issue is a report, an online record, a private-service profile, or a document spelling difference. Ask 1345 or the immigration office whether your case requires a report, reissue, appointment, or another process.
If the card is missing, damaged, or being reissued for another reason, read Lost ARC in Korea: What Foreigners Should Do Next before treating the mismatch as only a spelling problem.
Step 5: Check the Immigration Office and Reservation Situation
Some tasks depend on the immigration office responsible for your address. Use the HiKorea immigration office jurisdiction search before going to a random office. If you moved recently, also read Address Change in Korea for Foreigners: What to Report After You Move.
HiKorea's visit reservation guide explains that visit reservation is used for many immigration office visits, and it also warns that reservation itself is only booking a visit, not accepting the civil petition. If a legal reporting period or stay expiration date is close, do not wait until after the deadline just because no convenient reservation appears.
Step 6: Check Your Stay Expiration Date If Timing Is Close
A name or passport mismatch can become urgent when it affects a visa extension, pending ARC, or stay-period deadline. Check the HiKorea stay expiration check page if you are not sure of the date, then confirm with 1345 or the immigration office if the mismatch affects your application.
If your extension is the main problem, read Visa Extension in Korea for Foreigners: What to Check Before Your Stay Expires. If your card or application is pending, read ARC Korea Delayed or Pending: What Foreigners Should Check.
Step 7: Check Banking and Phone Verification After Immigration
Many foreigners discover the mismatch through a bank, phone carrier, PASS-style verification, online shopping app, hospital, or insurance account. These services may compare name, date of birth, phone number, registration number, nationality, and residence status in ways that are not visible to the user.
If a bank account or banking app is blocked, read Bank Account in Korea for Foreigners: Requirements and Common Problems. If the issue is phone identity verification, start with the Phone, SIM and Verification Problems in Korea hub and Korean Phone Number for Foreigners: Do You Really Need One?.
If the problem affects hospital or insurance records, check Health Insurance in Korea for Foreigners: Basic Guide. Immigration record changes do not automatically update every private or public service, so keep a list of which records still need separate updates.
Step 8: Prepare Before Contacting 1345 or the Office
Before calling 1345 or visiting an office, prepare a short mismatch table. Include:
- current passport name, passport number, issue date, and expiration date
- ARC or residence card details as printed
- the old passport details, if the passport was renewed or replaced
- the exact service that rejects the information
- screenshots of error messages, without sharing them publicly
- current address and responsible immigration office
- stay expiration date and any pending application or reservation
- documents proving the changed detail
Ask a specific question: "Which record should be corrected first, and does this require a foreigner registration change report, card reissue, visit reservation, or separate service update?" This is better than asking only why an app is not working.
Common Scenarios
Passport renewed, but HiKorea or a bank still uses the old passport
Check whether the passport change should be reported and whether the old or new passport is expected for the task. Start with the passport reporting checklist, then update linked services after the official record is clear.
Name order is different between passport and Korean service
Check whether the service expects the name exactly as in the passport, as in the ARC, or as stored in the phone or bank record. Do not randomly shorten or rearrange the name until you know which record is authoritative.
Phone verification fails after an immigration update
Ask the carrier or verification service which exact field does not match. The visible error may say verification failed, but the cause may be name order, registration number, phone holder name, passport change, or old residence information.
Visa extension documents show different names or passport details
Do not submit conflicting documents without explanation. Ask the school, employer, sponsor, or immigration office which version should be corrected and what proof is needed.
What Not to Do
Do not create a second bank, phone, app, or HiKorea account with a slightly different name just to pass one screen. Do not use another person's passport or registration details for a reservation. Do not ignore a reporting deadline because the mismatch only appears in a private app. Do not share passport, ARC, or registration number screenshots in public groups.
Also avoid assuming that one office, bank branch, school, or carrier answer applies to every case. Name and passport handling can depend on visa status, office, internal system, documents, and current policy.
Official Places to Check
For official information, start with the HiKorea main portal and HiKorea immigration and stay information. For change reporting, check HiKorea reporting obligations. For registration basics, check HiKorea foreigner registration. For card reissue, check HiKorea foreigner registration card issuance/reissue.
For office visits, check the HiKorea visit reservation guide and the immigration office jurisdiction search. For stay timing, use the HiKorea stay expiration check. If the answer is still unclear, call 1345 or contact the responsible immigration office.
FAQ
Does every name mismatch require an ARC reissue?
No. Some mismatches are private-service formatting problems, while others involve official registration details. Confirm whether the official immigration record changed before assuming a new card is required.
Does a passport renewal automatically update my ARC record?
Do not assume it does. HiKorea lists passport number, issue date, and validity-period changes under foreigner registration change reporting obligations for registered foreigners. Confirm what applies to your case.
Should I update my bank or phone carrier first?
If the immigration record is outdated or wrong, update or confirm that first. After the official record is clear, ask the bank, carrier, insurer, school, employer, or app provider what they need to update their own record.
Can I fix a HiKorea reservation by typing my name differently?
Sometimes formatting matters, but guessing can create confusion. Check the passport, ARC, and immigration record, and use the applicant's real information. If the system still rejects it, contact 1345 or the office.
What if the deadline is close?
Contact 1345 or the responsible office before the deadline passes. HiKorea warns that visiting after a legal reporting period or stay expiration date can lead to penalties in relevant cases.
Final Check
If your ARC name, passport number, or Korean record does not match, find the exact mismatch, confirm whether an official report or reissue is needed, check deadlines, and then update linked services. For more related guides, return to the ARC, Visa and Immigration Problems in Korea hub.
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