Spanish Phrase
Mi número es 555-5678.
Meaning
Literally, “My number is 555‑5678.” In everyday conversation it is used to give someone your phone number so they can call or text you.
When to use
Use this sentence when you are introducing yourself, exchanging contact information, or answering a question like “¿Cuál es tu número de teléfono?”. It works in both formal and informal settings, though adding “de teléfono” makes it a bit more specific.
✦Grammar Breakdown
Minúmeroes555-5678
Mi (possessive adjective)
Mi means “my” and agrees with the noun it modifies; it never changes for gender or number.
número (noun)
Número is a masculine noun meaning “number”; when referring to a phone number you can also say “número de teléfono”.
es (ser, 3rd‑person singular)
The verb ser is used for identity and permanent characteristics, such as stating what your phone number is.
Reading digits
Each digit is spoken as a separate word (cinco, seis, siete, ocho). The dash is read as “guion”.
🗨In Conversation
¿Cuál es tu número de teléfono?
What is your phone number?
Mi número es 555-5678.
My number is 555‑5678.
✕Common Mistakes
Mi número soy 555-5678.
Use “es” (ser) for identity, not “soy” which means “I am”.
Mi número es el 555-5678.
Do not add the definite article before the number unless you are enumerating items.
Mi número de teléfono son 555-5678.
The verb must agree with the subject; you need “Mi número de teléfono es…”.
↔Alternatives
Mi teléfono es 555-5678.
My phone is 555‑5678.
Puedes llamarme al 555-5678.
You can call me at 555‑5678.
Mi número de contacto es 555-5678.
My contact number is 555‑5678.
Cultural Tip
In most Spanish‑speaking countries phone numbers include an area code and often a country code (+34 for Spain, +52 for Mexico, etc.). When speaking to someone from another country, it’s polite to say the full international format, e.g., “Mi número es +34 555‑5678”. Also, the dash is pronounced “guion”, not “dash”.