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Mailing Instructions

Eager to commence your process?

We feel the same way!

Please feel comfortable mailing us your confidential documents.

Find information on our mailing practices, our providers, and warranties.

Remember to DOWNLOAD, PRINT AND SEND our COVER LETTER together with your documents. This helps us identify your case.

Where are your mailing us from?

MAILING US FROM THE USA OR CANADA

We provide 2 mailing addresses. Both are directly linked to us. Both are safe.

If you desire to send your mail via USPS, UPS, FEDEX, or CERTIFIED MAIL (signature required), then the best option for you is the following:

NOTE: OUR SAN BERNARDINO OFFICE DOES NOT RECEIVE MAIL. PLEASE SEND YOUR MAIL SECURILY TO ANY OF THE FOLLOWING ADDRESSES:

DNEXPRESS

884 Eastlake Pkwy Suite 1629,

Chula Vista, CA 91914

(If signature required: Availability Monday through Friday 10 a.m. to 5 p.m.)

Some clients feel comfortable mailing directly to our Po Box which is located in a 24/7 USPS office. This address DOES NOT accept signature request mail NOR FEDEX. If this makes you feel comfortable then please mail it to:

DNEXPRESS

PO BOX 2434

CHULA VISTA, CA, 91912

(NO signature required requests)

MAILING TO US FROM MEXICO OR EUROPE / REST OF WORLD

If mailing from inside Mexico, no matter the carrier, you can mail it directly to our main Tijuana Office, which is open Monday to Saturday. Any delivery method is accepted here.

DNEXPRESS

Blvd Gustavo Salinas #10650 int 29

Colonia Aviacion

Tijuana, Baja California, Mexico

6643994463 / 6646819241

(referencia: Plaza Salinas, hay un Burger King)

________________________________________________

MAILING US FROM EUROPE / REST OF WORLD

IF you are mailing us from Europe or the rest of the world, we have noticed that the US address is the safest and easiest for you, us and mail company. Please mail to:

DNEXPRESS

884 Eastlake Pkwy Suite 1629,

Chula Vista, CA 91914

(If signature required: Availability Monday through Friday 10 a.m. to 5 p.m.)

Incoming Mail

Incoming mail is picked up at 1 pm each day at our 2 mailing addresses. Monday to Saturday.

FedEx, UPS, and USPS also deliver packages to our addresses on a daily basis.
Incoming mail is then taken to our main office where it is processed. We receive heavy mail intakes every day.

Please take this in mind, even if we receive your package, it might take us 1-2 business days to process and formally notify you.

You can always call for individual mail receipt notification.

Outgoing Mail

We take our correspondence to the mail every other day, including Saturday.
We mail through USPS.
We offer free shipping in all of our services through USPS regular mail. Please note this method does not provide a tracking number NOR it insures the documents.
We also offer our TRACKING AND INSURED method which is sent through UPS PRIORITY mail service.
We take pride in supporting USPS in our business.

If you desire to receive your mail via UPS / FEDEX / or any other special carrier, you are always welcome on purchasing and sending us the prepaid label.
If your order need special mailing instructions / attention, please contact us for help.

If you leave OUTSIDE United States/Canada/Mexico, please help us by purchasing your own international label and sending it to us by email or WhatsApp. This will make things easier for you and us, and also be a transparent shipping pricing decision for yourself. Shipping internationally can escape our shipping budget.

Lost Mail

Sometimes, incoming clients have had the bad experience of having their documents being lost in the mail before they arrive to us. It could also happen when we mail them to you.

In DNEXPRESS we offer our SAFE MAIL WARRANTY, please visit our warranty section for more information.
If this happened to you, contact us so we can help you.

If at least one of your parents is a Mexican Citizen, you have the opportunity to claim Mexican Citizenship.

Our experienced team of immigration attorneys is here to facilitate and expedite the process for you. You may be eligible for Mexican Citizenship under various circumstances:

Have one Mexican parent, we can assist you in obtaining Mexican Citizenship.
Are born to parents who are both Mexican citizens, we can help you secure Mexican Citizenship.
Your Mexican parent passed away, we can guide you through the process of obtaining Mexican Citizenship.
Do not speak Spanish and have Mexican parents, we can assist you in obtaining Mexican Citizenship.
Are estranged from your Mexican parent, we can help you navigate the path to Mexican Citizenship.
Were born to unmarried Mexican parents, we can guide you in obtaining Mexican Citizenship.
Have a Mexican parent who has already become a US citizen, we can assist you in obtaining Mexican Citizenship.
Have a Mexican parent who naturalized as a US citizen, we can guide you through the process of obtaining Mexican Citizenship.
Have a Mexican parent who is currently incarcerated, we can help you obtain Mexican Citizenship.
Are facing challenges with the cooperation of your Mexican parent in the citizenship process, we can assist you.
Are a Mexican citizen with children born outside of Mexico, we can help you obtain Mexican Citizenship for them.
Are a Mexican citizen with adult sons, we can guide you in obtaining Mexican Citizenship for your adult sons.
Have grandparents who are or were Mexican citizens, we can assist you in obtaining Mexican Citizenship.
Have great-grandparents who are or were Mexican citizens, we can guide you through the process of obtaining Mexican Citizenship.
Wonder if you can obtain Mexican Citizenship because your parents obtained it through naturalization, we can help you navigate the process.

Hundreds of Happy clients now have Mexican citizenship

Doble Nacionalidad Express (DNExpress)

4.9

Based on 571 reviews

review us on

Paul Partida

17:05 27 Nov 25

This company is amazing! I did a quick scheduled interview over the phone. Got the information I needed uploaded to them, then they let me know I was a perfect candidate due to having all the needed… docs ready to go. I paid them 50% up front, then sent my US birth cert to them, they received it and gave me confirmation. 3 weeks later, I receive confirmation that my Mexican BC is ready and sent me a scanned copy to double check it for accuracy and submit my final payment. I’ll be getting the original paperwork soon. So excited to have my dual citizenship. My birthright.I highly recommend them. They make the process so easy. 5/5 stars!!read more

Maricela

20:53 26 Nov 25

Great experience working with DNExpress. Highly recommend. I needed my US birth certificate amended and they were able to do that for me. My sister used them also and now they’re taking care of my… cousin. Thank you to everyone at DNExpress who worked on my case, but especially to Irina Sanchez for her continuous help and always answering my emails promptly.read more

Sal Ramirez

21:48 25 Nov 25

I wanna say i was sketchy about this service. But man this team was quick. If you have all your paper work ready to go, and there is no question that you are gonna get approved, be assured the… process is legit 3-4 weeks. or sooner. I'm a super satisfied customer and a proud new Mexican citizen. Thank you DNE for everything and for your efficient processes. They are legit everyone. Its worth the money for the convenience of not just sitting and waiting. 🙂read more

Marcos Zayas

20:01 20 Nov 25

Doble Nacionalidad is a first class service agency! They helped with amending my original birth certificate and getting my Mexican citizenship seamlessly. Both my sister and I are now citizens and… very thankful for DNExpress's help.read more

BennyLinda

15:44 14 Nov 25

I wanted to share my excellent experience with DNExpress. If your looking for a hassle free totally professional experience aquiring your dual citizenship. DNExpress is the place. I worked with Mr.… Coley and others in the office. I found them to be extremely professional. I inquired with numerous questions via email and I would receive an answer no later than the next day. Folks, I highly recommend them. They also assisted me in locating my mothers birth certificate and they completed my duel citizen paper work. Now they see assisting with obtaining my Mexican passport. All done hassle free. Thank you depress for my pleasant experience and handling my case.read more

Joel Carrillo

04:01 01 Nov 25

DNExpress is the place to go to if you are looking to get your Mexican Citizenship here in the USA. They took care of all paperwork and gave great advice throughout the process making sure that my… request was expedited and completed quickly.Highly professional and highly recommended!read more

Angelica Mercado

17:35 31 Oct 25

DNExpress was extremely helpful. I was worried the process of getting my husband’s Mexican birth certificate would be extremely difficult due to his mom changing her name when she naturalized as a US… citizen but they handled all of it for us and walked us through everything we needed to do. The turnaround for getting his birth certificate was extremely fast! I’m very happy with their services and will be using them again for my children’s documents and my residency.read more

Samara Maciel

03:50 31 Oct 25

I found them on IG. I thought getting my double citizenship would be difficult and lengthy. But they made the road to getting my Mexican citizenship super easy! They were great to work with and… always answered any questions we had. Totally recommend working them and have recommended them to many of my friends and family!read more

Gabriela Esqueda

15:16 18 Oct 25

I want to start off by saying thank you to DNExpress for helping me get my dual citizenship. Sahayda that helped me in the San Bernardino office was so nice she made this process so easy and simple .… I received my Mexican birth certificate through mail within 4 weeks of when I had my appointment. I would suggest anyone to use this service if you are busy and don’t have time to drive to TJ or wait in long lines at the consulate . Thank you again Sahayda & DNExpress for everything .read more

Danny Price

06:49 09 Oct 25

Trabajando en mi español diariamente! My husband got his duel Mexican citizenship today! Next is his passport and my citizenship! ¡Viva la México! 🇲🇽DNE did an amazing job helping… my husband through me by proxy. His father is no longer with us but was born so long ago his Mexican Birth Certificate was never digitized. DNE had boots on the ground in the city he was born in, had them search by hand for 3 weeks in old church and hospital records. They found it! From there they digitized it and then proceeded getting my husband his duel citizenship. We tried going though a consult but they were no help with finding his dads records. They also wanted all of his mother’s records which had nothing to do with his Mexican language. This process was not fast, most because of the search and having to get a TX birth certificate apostates and were in Alaska. But none of that was DNEs fault. That’s just the way it is! Again thank you! Anyone who has doubts, don’t this is so legit. I will also be going though them to help with getting me my permanent residency then my naturalization paperwork. I am Mexican by marriage! 🇲🇽read more

Olga Paries

23:31 26 Sep 25

I am deeply grateful to DN Express in Tijuana and Chula Vista, CA, for their outstanding service. Our facilitator, Ivonne Ramírez, made the entire process seamless and efficient. She guided me… through correcting inconsistencies in my U.S. birth certificate, which allowed me to successfully obtain my dual citizenship from Mexico.DN Express also assisted my husband with the paperwork for his TP residency card, and he was equally impressed with the personalized service. Ivonne patiently walked us through every step of the Mexican immigration process, ensuring we understood each stage clearly.We couldn’t be happier with the professionalism, care, and dedication we experienced. Thank you, DN Express and Ivonne, for making a complex process feel manageable and stress-free. Highly recommended!Which so much Gratitude,O and A. 🇲🇽🫶🦅read more

Cynthya Contreras

22:21 15 Aug 25

I obtained my dual citizenship with DNExpress and had a very pleasant experience!I appreciate how helpful and clear they were with explaining the steps during the consultation over the phone before… I started my process. I understood it was to be a silent process and they'd reach out to you once it was complete, which made me nervous at first, but they really came through.All in all, my process was completed in about five weeks!I then recommended them to others who also had great experiences with them 😊read more

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