diff --git a/src/components/CreateNewCityForm.vue b/src/components/CreateNewCityForm.vue
index 4b1e12fb0..e51a18ef8 100644
--- a/src/components/CreateNewCityForm.vue
+++ b/src/components/CreateNewCityForm.vue
@@ -44,7 +44,7 @@ const onDataSaved = (...args) => {
         <template #form-inputs="{ data, validate }">
             <VnRow>
                 <VnInput
-                    :label="t('Names')"
+                    :label="t('Name')"
                     v-model="data.name"
                     :rules="validate('city.name')"
                 />
diff --git a/src/components/CreateNewPostcodeForm.vue b/src/components/CreateNewPostcodeForm.vue
index 44338f186..907e49499 100644
--- a/src/components/CreateNewPostcodeForm.vue
+++ b/src/components/CreateNewPostcodeForm.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { reactive, ref, watch } from 'vue';
+import { reactive, ref } from 'vue';
 import { useI18n } from 'vue-i18n';
 
 import FetchData from 'components/FetchData.vue';
@@ -22,12 +22,15 @@ const postcodeFormData = reactive({
     townFk: null,
 });
 
-const townsFetchDataRef = ref(null);
-const provincesFetchDataRef = ref(null);
+const townsFetchDataRef = ref(false);
+const countriesFetchDataRef = ref(false);
+const provincesFetchDataRef = ref(false);
 const countriesOptions = ref([]);
 const provincesOptions = ref([]);
 const townsOptions = ref([]);
 const town = ref({});
+const townFilter = ref({});
+const countryFilter = ref({});
 
 function onDataSaved(formData) {
     const newPostcode = {
@@ -56,10 +59,60 @@ async function onCityCreated(newTown, formData) {
 }
 
 function setTown(newTown, data) {
-    data.provinceFk = newTown.provinceFk;
-    data.countryFk = newTown.province.countryFk;
-    if (!newTown) return;
     town.value = newTown;
+    data.provinceFk = newTown?.provinceFk ?? newTown;
+    data.countryFk = newTown?.province?.countryFk ?? newTown;
+}
+
+async function setCountry(countryFk, data) {
+    data.townFk = null;
+    data.provinceFk = null;
+    data.countryFk = countryFk;
+}
+
+async function filterTowns(name) {
+    if (name !== '') {
+        townFilter.value.where = {
+            name: {
+                like: `%${name}%`,
+            },
+        };
+        await townsFetchDataRef.value?.fetch();
+    }
+}
+async function filterCountries(name) {
+    if (name !== '') {
+        countryFilter.value.where = {
+            name: {
+                like: `%${name}%`,
+            },
+        };
+        await countriesFetchDataRef.value?.fetch();
+    }
+}
+
+async function fetchTowns(countryFk) {
+    if (!countryFk) return;
+    townFilter.value.where = {
+        provinceFk: {
+            inq: provincesOptions.value.map(({ id }) => id),
+        },
+    };
+    await townsFetchDataRef.value?.fetch();
+}
+
+async function handleProvinces(data) {
+    provincesOptions.value = data;
+    if (postcodeFormData.countryFk) {
+        await fetchTowns(postcodeFormData.countryFk);
+    }
+}
+async function handleTowns(data) {
+    townsOptions.value = data;
+}
+
+async function handleCountries(data) {
+    countriesOptions.value = data;
 }
 
 async function setProvince(id, data) {
@@ -75,70 +128,6 @@ async function onProvinceCreated(data) {
     });
     postcodeFormData.provinceFk = data.id;
 }
-
-watch(
-    () => [postcodeFormData.countryFk],
-    async (newCountryFk, oldValueFk) => {
-        if (Array.isArray(newCountryFk)) {
-            newCountryFk = newCountryFk[0];
-        }
-        if (Array.isArray(oldValueFk)) {
-            oldValueFk = oldValueFk[0];
-        }
-        if (!!oldValueFk && newCountryFk !== oldValueFk) {
-            postcodeFormData.provinceFk = null;
-            postcodeFormData.townFk = null;
-        }
-        if (oldValueFk !== newCountryFk) {
-            await fetchProvinces(newCountryFk);
-            await fetchTowns(newCountryFk);
-        }
-    }
-);
-async function fetchTowns(countryFk) {
-    const townsFilter = countryFk
-        ? {
-              where: {
-                  provinceFk: {
-                      inq: provincesOptions.value.map(({ id }) => id),
-                  },
-              },
-          }
-        : {};
-    await townsFetchDataRef.value.fetch(townsFilter);
-}
-async function fetchProvinces(countryFk) {
-    const provincesFilter = countryFk
-        ? {
-              where: {
-                  countryFk: countryFk,
-              },
-          }
-        : {};
-    await provincesFetchDataRef.value.fetch(provincesFilter);
-}
-watch(
-    () => postcodeFormData.provinceFk,
-    async (newProvinceFk, oldValueFk) => {
-        if (Array.isArray(newProvinceFk)) {
-            newProvinceFk = newProvinceFk[0];
-        }
-        if (newProvinceFk !== oldValueFk) {
-            await townsFetchDataRef.value.fetch({
-                where: { provinceFk: newProvinceFk },
-            });
-        }
-    }
-);
-async function handleProvinces(data) {
-    provincesOptions.value = data;
-}
-async function handleTowns(data) {
-    townsOptions.value = data;
-}
-async function handleCountries(data) {
-    countriesOptions.value = data;
-}
 </script>
 
 <template>
@@ -154,12 +143,15 @@ async function handleCountries(data) {
         ref="townsFetchDataRef"
         :sort-by="['name ASC']"
         :limit="30"
+        :filter="townFilter"
         @on-fetch="handleTowns"
         auto-load
         url="Towns/location"
     />
     <FetchData
-        ref="CountriesFetchDataRef"
+        ref="countriesFetchDataRef"
+        :limit="30"
+        :filter="countryFilter"
         :sort-by="['name ASC']"
         @on-fetch="handleCountries"
         auto-load
@@ -186,6 +178,7 @@ async function handleCountries(data) {
                 <VnSelectDialog
                     :label="t('City')"
                     @update:model-value="(value) => setTown(value, data)"
+                    @filter="filterTowns"
                     :tooltip="t('Create city')"
                     v-model="data.townFk"
                     :options="townsOptions"
@@ -225,7 +218,7 @@ async function handleCountries(data) {
                     :province-selected="data.provinceFk"
                     @update:model-value="(value) => setProvince(value, data)"
                     v-model="data.provinceFk"
-                    :clearable="true"
+                    @on-province-fetched="handleProvinces"
                     @on-province-created="onProvinceCreated"
                 />
                 <VnSelect
@@ -233,10 +226,12 @@ async function handleCountries(data) {
                     @update:options="handleCountries"
                     :options="countriesOptions"
                     hide-selected
+                    @filter="filterCountries"
                     option-label="name"
                     option-value="id"
                     v-model="data.countryFk"
                     :rules="validate('postcode.countryFk')"
+                    @update:model-value="(value) => setCountry(value, data)"
                 />
             </VnRow>
         </template>
diff --git a/src/components/VnSelectProvince.vue b/src/components/VnSelectProvince.vue
index 5da6b781f..bfc4ab7b7 100644
--- a/src/components/VnSelectProvince.vue
+++ b/src/components/VnSelectProvince.vue
@@ -7,7 +7,7 @@ import VnSelectDialog from 'components/common/VnSelectDialog.vue';
 import FetchData from 'components/FetchData.vue';
 import CreateNewProvinceForm from './CreateNewProvinceForm.vue';
 
-const emit = defineEmits(['onProvinceCreated']);
+const emit = defineEmits(['onProvinceCreated', 'onProvinceFetched']);
 const $props = defineProps({
     countryFk: {
         type: Number,
@@ -50,6 +50,7 @@ watch(
             filter.value.where.countryFk = $props.countryFk;
         } else filter.value.where = {};
         await provincesFetchDataRef.value.fetch({});
+        emit('onProvinceFetched', provincesOptions.value);
     }
 );
 </script>
@@ -67,6 +68,7 @@ watch(
         :options="provincesOptions"
         :tooltip="t('Create province')"
         hide-selected
+        :clearable="true"
         v-model="provinceFk"
         :rules="validate && validate('postcode.provinceFk')"
         :acls="[{ model: 'Province', props: '*', accessType: 'WRITE' }]"
diff --git a/src/components/common/VnAccountNumber.vue b/src/components/common/VnAccountNumber.vue
index f7273a72d..c4fa78674 100644
--- a/src/components/common/VnAccountNumber.vue
+++ b/src/components/common/VnAccountNumber.vue
@@ -1,20 +1,24 @@
 <script setup>
-import { ref, watch } from 'vue';
+import { nextTick, ref, watch } from 'vue';
 import { QInput } from 'quasar';
 
-const props = defineProps({
+const $props = defineProps({
     modelValue: {
         type: String,
         default: '',
     },
+    insertable: {
+        type: Boolean,
+        default: false,
+    },
 });
 
 const emit = defineEmits(['update:modelValue', 'accountShortToStandard']);
 
-let internalValue = ref(props.modelValue);
+let internalValue = ref($props.modelValue);
 
 watch(
-    () => props.modelValue,
+    () => $props.modelValue,
     (newVal) => {
         internalValue.value = newVal;
     }
@@ -28,8 +32,46 @@ watch(
     }
 );
 
+const handleKeydown = (e) => {
+    if (e.key === 'Backspace') return;
+    if (e.key === '.') {
+        accountShortToStandard();
+        // TODO: Fix this setTimeout, with nextTick doesn't work
+        setTimeout(() => {
+            setCursorPosition(0, e.target);
+        }, 1);
+        return;
+    }
+
+    if ($props.insertable && e.key.match(/[0-9]/)) {
+        handleInsertMode(e);
+    }
+};
+function setCursorPosition(pos, el = vnInputRef.value) {
+    el.focus();
+    el.setSelectionRange(pos, pos);
+}
+const vnInputRef = ref(false);
+const handleInsertMode = (e) => {
+    e.preventDefault();
+    const input = e.target;
+    const cursorPos = input.selectionStart;
+    const { maxlength } = vnInputRef.value;
+    let currentValue = internalValue.value;
+    if (!currentValue) currentValue = e.key;
+    const newValue = e.key;
+    if (newValue && !isNaN(newValue) && cursorPos < maxlength) {
+        internalValue.value =
+            currentValue.substring(0, cursorPos) +
+            newValue +
+            currentValue.substring(cursorPos + 1);
+    }
+    nextTick(() => {
+        input.setSelectionRange(cursorPos + 1, cursorPos + 1);
+    });
+};
 function accountShortToStandard() {
-    internalValue.value = internalValue.value.replace(
+    internalValue.value = internalValue.value?.replace(
         '.',
         '0'.repeat(11 - internalValue.value.length)
     );
@@ -37,5 +79,5 @@ function accountShortToStandard() {
 </script>
 
 <template>
-    <q-input v-model="internalValue" />
+    <QInput @keydown="handleKeydown" ref="vnInputRef" v-model="internalValue" />
 </template>
diff --git a/src/components/common/VnInput.vue b/src/components/common/VnInput.vue
index 7a9e26186..57a495ac3 100644
--- a/src/components/common/VnInput.vue
+++ b/src/components/common/VnInput.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { computed, ref, useAttrs } from 'vue';
+import { computed, ref, useAttrs, nextTick } from 'vue';
 import { useI18n } from 'vue-i18n';
 import { useRequired } from 'src/composables/useRequired';
 
@@ -34,6 +34,14 @@ const $props = defineProps({
         type: Boolean,
         default: true,
     },
+    insertable: {
+        type: Boolean,
+        default: false,
+    },
+    maxlength: {
+        type: Number,
+        default: null,
+    },
 });
 
 const vnInputRef = ref(null);
@@ -69,6 +77,9 @@ const mixinRules = [
     requiredFieldRule,
     ...($attrs.rules ?? []),
     (val) => {
+        const { maxlength } = vnInputRef.value;
+        if (maxlength && +val.length > maxlength)
+            return t(`maxLength`, { value: maxlength });
         const { min, max } = vnInputRef.value.$attrs;
         if (!min) return null;
         if (min >= 0) if (Math.floor(val) < min) return t('inputMin', { value: min });
@@ -78,6 +89,33 @@ const mixinRules = [
         }
     },
 ];
+
+const handleKeydown = (e) => {
+    if (e.key === 'Backspace') return;
+
+    if ($props.insertable && e.key.match(/[0-9]/)) {
+        handleInsertMode(e);
+    }
+};
+
+const handleInsertMode = (e) => {
+    e.preventDefault();
+    const input = e.target;
+    const cursorPos = input.selectionStart;
+    const { maxlength } = vnInputRef.value;
+    let currentValue = value.value;
+    if (!currentValue) currentValue = e.key;
+    const newValue = e.key;
+    if (newValue && !isNaN(newValue) && cursorPos < maxlength) {
+        value.value =
+            currentValue.substring(0, cursorPos) +
+            newValue +
+            currentValue.substring(cursorPos + 1);
+    }
+    nextTick(() => {
+        input.setSelectionRange(cursorPos + 1, cursorPos + 1);
+    });
+};
 </script>
 
 <template>
@@ -89,6 +127,7 @@ const mixinRules = [
             :type="$attrs.type"
             :class="{ required: isRequired }"
             @keyup.enter="emit('keyup.enter')"
+            @keydown="handleKeydown"
             :clearable="false"
             :rules="mixinRules"
             :lazy-rules="true"
@@ -130,9 +169,11 @@ const mixinRules = [
 <i18n>
     en:
         inputMin: Must be more than {value}
+        maxLength: The value exceeds {value} characters
         inputMax: Must be less than {value}
     es:
         inputMin: Debe ser mayor a {value}
+        maxLength: El valor excede los {value} carácteres
         inputMax: Debe ser menor a {value}
 </i18n>
 <style lang="scss">
diff --git a/src/pages/Supplier/Card/SupplierFiscalData.vue b/src/pages/Supplier/Card/SupplierFiscalData.vue
index 547842960..1a79be8bc 100644
--- a/src/pages/Supplier/Card/SupplierFiscalData.vue
+++ b/src/pages/Supplier/Card/SupplierFiscalData.vue
@@ -9,6 +9,7 @@ import VnRow from 'components/ui/VnRow.vue';
 import VnInput from 'src/components/common/VnInput.vue';
 import VnSelect from 'src/components/common/VnSelect.vue';
 import VnLocation from 'src/components/common/VnLocation.vue';
+import VnAccountNumber from 'src/components/common/VnAccountNumber.vue';
 
 const route = useRoute();
 const { t } = useI18n();
@@ -100,10 +101,13 @@ function handleLocation(data, location) {
                 />
             </VnRow>
             <VnRow>
-                <VnInput
+                <VnAccountNumber
                     v-model="data.account"
                     :label="t('supplier.fiscalData.account')"
                     clearable
+                    data-cy="supplierFiscalDataAccount"
+                    insertable
+                    :maxlength="10"
                 />
                 <VnSelect
                     :label="t('supplier.fiscalData.sageTaxTypeFk')"
diff --git a/test/cypress/integration/vnComponent/VnAccountNumber.spec.js b/test/cypress/integration/vnComponent/VnAccountNumber.spec.js
new file mode 100644
index 000000000..000c2151d
--- /dev/null
+++ b/test/cypress/integration/vnComponent/VnAccountNumber.spec.js
@@ -0,0 +1,39 @@
+describe('VnInput Component', () => {
+    beforeEach(() => {
+        cy.login('developer');
+        cy.viewport(1920, 1080);
+        cy.visit('/#/supplier/1/fiscal-data');
+        cy.domContentLoad();
+    });
+
+    it('should replace character at cursor position in insert mode', () => {
+        // Simula escribir en el input
+        cy.dataCy('supplierFiscalDataAccount').clear();
+        cy.dataCy('supplierFiscalDataAccount').type('4100000001');
+        // Coloca el cursor en la posición 0
+        cy.dataCy('supplierFiscalDataAccount').type('{movetostart}');
+        // Escribe un número y verifica que se reemplace correctamente
+        cy.dataCy('supplierFiscalDataAccount').type('999');
+        cy.dataCy('supplierFiscalDataAccount')
+        .should('have.value', '9990000001');
+    });
+
+    it('should replace character at cursor position in insert mode', () => {
+        // Simula escribir en el input
+        cy.dataCy('supplierFiscalDataAccount').clear();
+        cy.dataCy('supplierFiscalDataAccount').type('4100000001');
+        // Coloca el cursor en la posición 0
+        cy.dataCy('supplierFiscalDataAccount').type('{movetostart}');
+        // Escribe un número y verifica que se reemplace correctamente en la posicion incial
+        cy.dataCy('supplierFiscalDataAccount').type('999');
+        cy.dataCy('supplierFiscalDataAccount')
+        .should('have.value', '9990000001');
+    });
+
+    it('should respect maxlength prop', () => {
+        cy.dataCy('supplierFiscalDataAccount').clear();
+        cy.dataCy('supplierFiscalDataAccount').type('123456789012345');
+        cy.dataCy('supplierFiscalDataAccount')
+        .should('have.value', '1234567890'); // asumiendo que maxlength es 10
+    });
+});
diff --git a/test/cypress/integration/vnComponent/vnBreadcrumbs.spec.js b/test/cypress/integration/vnComponent/VnBreadcrumbs.spec.js
similarity index 100%
rename from test/cypress/integration/vnComponent/vnBreadcrumbs.spec.js
rename to test/cypress/integration/vnComponent/VnBreadcrumbs.spec.js
diff --git a/test/cypress/integration/vnComponent/vnLocation.spec.js b/test/cypress/integration/vnComponent/VnLocation.spec.js
similarity index 100%
rename from test/cypress/integration/vnComponent/vnLocation.spec.js
rename to test/cypress/integration/vnComponent/VnLocation.spec.js
diff --git a/test/cypress/integration/vnComponent/vnLog.spec.js b/test/cypress/integration/vnComponent/VnLog.spec.js
similarity index 100%
rename from test/cypress/integration/vnComponent/vnLog.spec.js
rename to test/cypress/integration/vnComponent/VnLog.spec.js
diff --git a/test/cypress/integration/vnComponent/vnSearchBar.spec.js b/test/cypress/integration/vnComponent/VnSearchBar.spec.js
similarity index 100%
rename from test/cypress/integration/vnComponent/vnSearchBar.spec.js
rename to test/cypress/integration/vnComponent/VnSearchBar.spec.js