Prefix 631 — page 22
Mobile
En el plan español, 6 identifica servicios móviles compartidos por varios operadores; el coste depende de la clase indicada y no del aspecto aislado del número.
Search a number with prefix 631
Search a phone number or a company name (Iberdrola, Movistar and Vodafone...) to check if it has been reported as spam.
Numbers reported with prefix 631
1,134 numbers+34 631 143 293
+34 631 154 637
+34 631 160 165
+34 631 165 657
+34 631 198 851
+34 631 205 586
+34 631 206 403
+34 631 234 146
+34 631 247 519
+34 631 250 730
+34 631 266 735
+34 631 271 343
+34 631 273 926
+34 631 275 048
+34 631 277 500
+34 631 321 817
+34 631 328 455
+34 631 337 761
+34 631 344 777
+34 631 349 258
+34 631 350 509
+34 631 365 932
+34 631 367 820
+34 631 368 454
+34 631 386 780
+34 631 399 275
+34 631 400 359
+34 631 424 532
+34 631 431 431
+34 631 438 436
+34 631 438 951
+34 631 452 955
+34 631 467 751
+34 631 476 294
+34 631 483 723
+34 631 490 673
+34 631 506 270
+34 631 516 219
+34 631 521 881
+34 631 546 462
+34 631 562 426
+34 631 599 468
+34 631 607 665
+34 631 611 883
+34 631 612 676
+34 631 617 574
+34 631 622 436
+34 631 641 063
+34 631 644 790
+34 631 654 221
About numbers 631
Numbers starting with 631 are mobile lines in Spain. They are the most common source of unwanted sales calls and telemarketing. If you do not recognise a caller on this prefix, search it on NoCall before calling back.
Official source and review
Secretaría de Estado de Telecomunicaciones e Infraestructuras Digitales · Document: 2021-02-18 · Reviewed: 2026-08-09
A prefix describes an official allocation. Portability and caller-ID spoofing mean it cannot identify the caller on its own.